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A healthy diet is the best way to build strong, healthy bones.

 
Posted by: | Posted on: November 15, 2025

Egg Yolk Compound Shows Promise in Osteoporosis Management


Reproduced from original article:
https://articles.mercola.com/sites/articles/archive/2025/10/22/egg-yolk-compounds-osteoporosis.aspx

Analysis by Dr. Joseph Mercola     October 22, 2025

egg yolk compounds osteoporosis

Story at-a-glance

  • Egg yolk proteins influence bone health by reducing bone breakdown and encouraging new bone growth, offering natural support against osteoporosis
  • Research shows that certain egg yolk compounds shut down harmful “switches” in bone-destroying cells, helping prevent fractures and bone fragility
  • The smallest protein fragments in eggs were found to be the most powerful, easily entering cells to trigger bone-building activity
  • One egg yolk compound not only protected bones but also repaired fractures and improved strength in models of age-related bone loss and brittle-bone disease
  • Choosing pasture-raised, low-linoleic acid eggs and combining them with collagen-rich foods and key nutrients like vitamin D, magnesium, and vitamin K2 helps build stronger bones and maintain independence as you age

Bone loss is silent until it isn’t. You wake up shorter, your back aches after simple chores, or a small misstep leads to a crack you didn’t see coming. Osteoporosis means bones lose strength and structure, which raises the odds of hip, spine, and wrist fractures and chips away at independence. Left unchecked, it reshapes daily life in ways that touch how you move, sleep, and even breathe.

Standard care leans on drugs that slow breakdown. That approach helps some people, yet it often leaves you stuck between trade-offs and side effects you didn’t sign up for. You want a path that supports everyday strength without significant risks or complexity. Your bones are living tissue that respond to the signals you send through food, sunlight, movement, and habits.

Your plan needs to restore balance — reducing excess breakdown while encouraging steady rebuilding. Food isn’t just fuel here. It’s information. Certain nutrients and proteins tell bone-building cells to get to work, and the right daily choices stack those messages in your favor.

Your job is straightforward: support your body’s natural repair systems and remove roadblocks that keep bones fragile. Eggs, long regarded as a dietary staple, are emerging as an unexpected ally in this fight. In the next section, you’ll see how this specific food source sends clear “build” signals to your skeleton and why that matters for real-world resilience.

Egg Yolk Proteins Help Guard Your Bones from Breaking Down

In a study published in Food Science of Animal Products, researchers tested whether proteins from egg yolks — broken down into smaller pieces called peptides — could affect osteoclasts, which are the cells that wear away bone. The big question was whether these natural compounds could slow or stop the bone loss that leads to osteoporosis.1

• Egg compound leads to less bone breakdown — The researchers discovered that certain water-soluble peptides in egg yolk cut down the number of bone-destroying cells. When they looked at the smallest peptides, the effect was even stronger. These tiny protein fragments not only reduced the number of cells that erode bone but also caused older ones to die off. In plain terms, that means less bone being eaten away and a better chance of keeping your skeleton strong.

• Egg compounds shut off harmful “switches” — Inside bone-destroying cells are pathways, like on/off switches, that tell them when to start breaking down bone. The smallest egg yolk peptides shut these switches off, stopping the damage at the root. If those switches stay on, bones get weaker and fractures become more likely.

• Multiple signals were stopped at once — These peptides didn’t just block one message — they cut off several signals that normally keep bone-eating cells alive and aggressive. That makes them more powerful than many drugs, which usually only work on one pathway at a time.

• The domino effect was interrupted — Normally, once those destructive messages start, they spread like falling dominoes until bone-eating enzymes get activated. With egg yolk peptides in play, that cascade was blocked before it could do damage. The end result: stronger, more resilient bones.

• Egg yolk isn’t just a food — It contains natural compounds that fight one of the biggest drivers of bone loss. Adding eggs to your diet gives your body another tool to help protect bone density and lower your risk of fractures, without relying only on risky medications.

Egg Yolk Proteins Build Stronger Bones from the Inside Out

A study published in the Journal of Functional Foods similarly looked at how natural proteins from egg yolks affect the cells in your body that create new bone.2 While earlier research showed that egg yolk proteins slow down bone breakdown, this one highlighted their role in helping bones grow stronger.

• Results showed stronger bone growth — The researchers found that egg yolk proteins helped bone-forming cells grow faster and deposit more calcium and minerals. The bones became denser and tougher, which lowers your risk of fractures.

• Small protein pieces worked best — The strongest effects came from the tiniest pieces of egg yolk protein. Because they’re so small, they easily get inside cells and kick-start the changes needed to build stronger bone tissue.

• Bone-building signals were switched on — The egg yolk proteins acted like a switch inside bone cells, telling them to grow, mature, and lay down more minerals. That signal made the cells work harder at reinforcing the skeleton, creating an ongoing cycle of bone building.

• A more balanced bone cycle — What makes this important is how it fits with the earlier findings. Some egg yolk compounds slowed bone breakdown, while these proteins boosted bone growth. Working together, they give your body both defense and rebuilding power, leaving your bones stronger than before.

Eggs contain special proteins that help your bones both resist damage and rebuild themselves. Adding eggs to your diet gives you a natural way to support bone strength, keep your mobility, and protect your independence as you age.

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Egg Yolk Protein D2 Sparks Real Bone Repair

In a study published in Regenerative Therapy, researchers identified a protein fragment from egg yolk, known as D2, that works after being swallowed and digested.3 Scientists tested it in animals with broken bones, age-related bone loss similar to menopause, and a genetic brittle-bone condition. In each case, D2 made bones stronger and tougher — exactly what you want if you need bones that hold up in daily life.

• Broken bones healed faster and stronger — Animals given the egg yolk protein daily after a fracture grew a thicker healing bridge over the break during the first month. These repairs also had denser bone in key areas, and strength tests showed they withstood more force within two weeks compared to untreated fractures. That translates into repairs that hold up better in daily movement.

• Age-related bone loss improved — In animals mimicking postmenopausal bone loss, the egg yolk protein restored some of the bone that had been lost and made the spine stronger after just a few weeks of use. Fractures in these animals also healed more steadily when the egg yolk protein was given, meaning faster recovery and fewer setbacks.

• Fragile bone disease improved — In animals bred to mimic brittle-bone disease, treatment with the egg yolk protein boosted bone volume and restored strength that had been lost. Even bone-forming cells in the lab began producing more of the key structural proteins after only a short exposure to the compound, pointing to a direct effect at the level of bone repair.

• The egg yolk protein survived digestion and spread through the body — Tests confirmed that the egg yolk protein remained active after being swallowed and entered the bloodstream, reaching organs where it could be used. That makes it practical for use outside of a lab or hospital setting.

Animals given the egg yolk protein for two weeks showed no weight changes or unusual behavior. Routine blood tests revealed no toxicity, and some measures even improved, such as lower triglycerides. This supports its role as a safe option for ongoing use.

• Bone-building cells multiplied — In both mouse and human cells, the egg yolk protein encouraged bone-forming cells to grow and mature while depositing more minerals. Even at very tiny amounts, the effect was strong, showing how powerful this protein fragment is at guiding cells to build bone.

Unlike treatments that only reduce bone breakdown, the egg yolk protein actively built new bone and improved its quality. The result was thicker healing tissue, tougher repaired fractures, and stronger bones overall — evidence of regeneration, not just protection.

How to Strengthen Your Bones Naturally with Food-Based Solutions

If your bones are thinning or you’re worried about osteoporosis, the real problem isn’t just low calcium — it’s the imbalance between bone breakdown and bone building. What the research on egg yolk proteins shows is that food has the power to help correct that imbalance at the cellular level. Your goal isn’t only to stop bone loss but also to encourage new bone growth so your skeleton stays strong. Here’s how to put this knowledge into action in your daily life.

1. Choose the right kind of eggs — Not all eggs are created equal. Factory-farmed eggs from corn- and soy-fed hens are loaded with linoleic acid (LA), a polyunsaturated fat that stirs up inflammation and damages your mitochondria — the tiny power plants inside your cells.

If you eat more than four of these eggs daily, you’re likely blowing past the recommended limit of 5 grams of LA. Switch to pasture-raised eggs, or better yet, eggs from hens that forage on grass and bugs. Some farms even use custom feed that produces eggs with far lower LA levels. These are the eggs that give you bone-strengthening compounds without the hidden damage.

2. Get collagen into your diet — About one-third of your bone structure is made of collagen, so you need a steady supply. Aim for protein to make up about 15% of your daily calories, with one-third of that coming from collagen.

The simplest way is to drink homemade bone broth from organic, grass fed bones. You can also slow-cook or pressure-cook cuts of meat rich in gelatin, or add high-quality collagen or gelatin supplements. Giving your body collagen means giving your bones the building blocks they rely on to stay tough and flexible.

3. Cover your nutrient bases — Calcium is important, but it only works well when paired with vitamin D, magnesium, and vitamin K2. Together, this combination makes sure calcium ends up in your bones and teeth — not stuck in your arteries, where it drives heart disease.

Egg yolks are especially valuable here because they are one of nature’s richest sources of vitamin K2 in the form of MK-4, the most bioactive and fast-acting subtype found in foods. This form of K2 is rare in the modern diet, yet it plays a central role in shuttling calcium into bones and away from soft tissues. Including pasture-raised egg yolks in your diet means you aren’t just getting bone-supporting proteins, you’re also giving your body one of the planet’s most potent natural sources of MK-4.

Get calcium from real foods like raw grass fed dairy, pasture-raised egg yolks, and even powdered eggshells. Add fermented foods, get daily sunlight exposure and consider a high-quality magnesium supplement — since it’s difficult to get enough from food alone — to keep your vitamin and mineral intake balanced so your bones use calcium efficiently.

4. Use movement and recovery as bone signals — Your bones respond to pressure. Walking, lifting weights, or even active gardening tells your body to “make this skeleton stronger.” But don’t forget rest — your body needs downtime to put nutrients like collagen, calcium, and egg-derived proteins to work. The cycle of stress and recovery is what drives bones to rebuild, just like it does with muscles.

5. Cut back on foods that weaken bones — Highly processed foods, sugary drinks, and packaged snacks all drive inflammation that speeds up bone loss. Every time you swap soda for water or trade fast food for whole food, you shift the balance in favor of bone building.

If you struggle with making big changes, start small. Add one more pasture-raised egg meal each week or cook up a pot of bone broth. Over time, these small changes add up, making your bones stronger and your daily life more stable.

FAQs About Egg Yolk Compounds for Osteoporosis

Q: How do eggs help protect against osteoporosis?

A: Egg yolks contain special proteins that influence bone cells directly. Some of these proteins slow down the cells that break down bone, while others stimulate the cells that build new bone. Together, they help restore balance in your skeleton, reducing bone loss and encouraging steady rebuilding.

Q: What kind of eggs should I eat for bone health?

A: Not all eggs are equal. Factory-farmed eggs from corn- and soy-fed hens are high in LA, a fat that damages your mitochondria and weakens your health. To get the bone benefits without the downsides, choose pasture-raised eggs or eggs from hens that forage naturally. These have far lower LA levels and more beneficial nutrients.

Q: Besides eggs, what other foods support stronger bones?

A: Your bones are one-third collagen and nearly all of your body’s calcium is stored in them. That means you need collagen-rich foods like bone broth, gelatin, and slow-cooked cuts of meat, along with calcium from raw grass fed dairy, egg yolks, and powdered eggshells. Pair these with vitamin D from sunlight exposure, magnesium, and vitamin K2 to make sure calcium gets delivered to your bones instead of your arteries.

Q: Can egg yolk compounds actually repair broken bones?

A: Yes, animal studies showed that a protein fragment from egg yolk not only improved bone strength but also sped up fracture healing. In models of postmenopausal bone loss and brittle-bone disease, this compound restored bone volume and durability. The research suggests egg yolk compounds don’t just protect bone — they actively rebuild it.

Q: What lifestyle habits make the biggest difference for bone health?

A: Bones respond to both movement and rest. Weight-bearing exercise like walking or resistance training tells your body to strengthen bones, while rest allows nutrients like collagen and calcium to do their repair work. Cutting out processed foods and sugary drinks reduces inflammation, and making small, steady changes — like swapping soda for water or adding an extra pasture-raised egg meal — keeps your bones stronger over time.

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Posted by: | Posted on: August 19, 2025

Prunes Help Preserve Bone Density and Strength in Aging Women


Reproduced from original article:
https://articles.mercola.com/sites/articles/archive/2025/08/15/prunes-aging-women-bone-health.aspx

Analysis by Dr. Joseph Mercola     August 15, 2025

Story at-a-glance

  • A Penn State study found that eating just four to six prunes a day helped postmenopausal women maintain bone strength and density over a full year
  • Those who ate no prunes lost strength in their shinbone, while those who included prunes preserved their bone structure, especially in the outer, load-bearing layer
  • Researchers used advanced 3D bone scans to detect improvements in geometry and quality — not just mineral density — giving deeper insight into real fracture resistance
  • The bone-protective effects are linked to natural anti-inflammatory compounds in prunes that influence both bone remodeling and gut health, supporting long-term skeletal health
  • Prunes offer a practical daily strategy with wide-ranging benefits, including heart, brain, and metabolic support, without the risks of high-dose calcium or pharmaceuticals

Historically, prunes were seen as digestive aids or outdated snacks, but their medicinal use traces back thousands of years. In traditional cultures, dried plums weren’t just used for constipation — they were consumed to strengthen the body, reduce inflammation, and restore vitality.

Now, modern science is catching up. A recent study has discovered that eating just a few prunes a day helped maintain bone structure and strength, especially among postmenopausal women — a population at high risk for fractures and bone loss. But that’s just the start — you’ll be surprised at the many health benefits this humble yet nutrient-packed fruit offers.

What Are Prunes Good For?

Prunes are often considered a remedy for constipation, usually recommended to elderly people who have trouble emptying their bowels. However, there’s more to prunes than meets the eye. These are one of the most underrated fruits out there, mainly because many people are unaware of their health benefits.

• Prunes are plums — To put it simply, prunes are dried plums, and while not all plums can be turned into prunes, all prunes used to be plums. In particular, a variety called “French” or “d’Agen” is used to make prunes, due to their large size and high natural sugar content.1

• Majority of prunes come from California — In the U.S., 99% of the prunes are grown in this state. California prunes also make up 70% of the global production, according to the University of California’s Division of Agriculture and Natural Resources. France, Chile, and Argentina are other major producers of this product.2

• Prunes are versatile — They are used as a sugar or fat substitute, enjoyed as a snack or dessert, or added to savory dishes, such as in Mediterranean cuisine. They also have a longer shelf life than plums.

• Their dark color says a lot about their nutrient profile — Prunes are high in antioxidants called polyphenols, which give fruits and vegetables their vibrant color. The dark color of prunes is a testament to their high polyphenol content. Other nutrients in this fruit include fiber, vitamin K, potassium, copper, and magnesium3 — all of which may contribute to its many benefits, such as for bone health.

Eating Just a Few Prunes a Day Helps Maintain Bone Strength in Postmenopausal Women

A recent paper published in Osteoporosis International examined whether a simple daily habit like eating a few prunes each day could slow down or even stop bone loss. Part of what’s called “The Prune Study,” the recent findings presented by Penn State University researchers provided evidence on these fruits’ measurable effects on bone strength and density.4

• Postmenopausal women were the main focus of the study — The researchers followed 235 postmenopausal women around 62 years old, who were split into three randomized groups — one group didn’t eat any prunes, another group ate about four to six prunes (around 50 grams) a day, and the last group ate about 10 to 12 prunes (around 100 grams) a day.

• They used advanced 3D imaging to track bone changes — For a year, they tracked the women who participated, evaluating their bone health status every six months. “[T]hey were assessed using a peripheral quantitative computed tomography, or pQCT, scan, which allows for cross-sectional imaging to measure 3D bone mass density, bone geometry, and bone strength,” SciTechDaily reported.

• Here’s what they found — The women who didn’t eat prunes lost bone strength and bone density in their tibia (shin bone) during the observation period. Meanwhile, those who ate at least four to six prunes per day maintained both, particularly in the cortical bone (the stronger and denser outer shell of the bone).

While both prune-eating groups saw benefits, many of those who were consuming 100 grams per day dropped out of the study, mainly because they became tired of incorporating so many prunes into their daily diet.

“This is the first randomized controlled trial to look at three-dimensional bone outcomes with respect to bone structure, geometry and estimated strength,” Mary Jane De Souza, a professor of kinesiology and physiology at Penn State and one of the study authors, said.

“In our study we saw that daily prune consumption impacted factors related to fracture risk. That’s clinically invaluable.”5

• One of the most important details here is what part of the bone was preserved — The tibia has two layers — an outer hard layer called cortical bone and an inner spongier layer called trabecular bone. The cortical layer is especially important because it carries the load of your body weight, so when it starts to thin, your bones are more likely to crack or break.

In the prune-eating groups, cortical bone strength and thickness stayed intact. But in the women who skipped prunes, those outer walls started to erode. That puts them at greater risk for fractures.

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What Happens to Your Bones When You Eat Prunes Every Day?

In the U.S., more than 10 million people are said to have osteoporosis, a condition wherein bone density drops and the skeleton becomes fragile. It occurs more often in women than in men, underscoring the significance of the study’s findings.

• Your bones are constantly changing — Your bone undergoes remodeling through specialized cells called osteoclasts and osteoblasts. Osteoclasts break old bones while osteoblasts replace them with new material. However, as you grow older, your osteoblasts cells no longer work as fast as they used to; osteoclasts take over, causing an imbalance. As a result, bone breaks faster as the rebuilding process slows down.

This puts you at risk of osteoporosis, increasing your chances of falls, fractures, and other bone injuries.

• Half of all women over 50 will experience a bone fracture — According to the National Institutes of Health, 50% of postmenopausal women will have a fracture, whether in their hip, wrist, or spine, during their lifetime. And among those who get a hip fracture, only one-third will be able to resume their normal life.6

• Low estrogen during your postmenopausal years speeds up osteoporosis — Estrogen is crucial for bone health, but after menopause, your estrogen production declines. This causes you to lose more bone density, which is why postmenopausal women have a higher osteoporosis risk.

• The compounds in prunes interfere with this destructive cycle — The researchers believe that the polyphenols in prunes help lower levels of inflammation, which accelerates bone breakdown, in the body. Chronic low-grade inflammation is a quiet but steady driver of many aging-related diseases, including osteoporosis. By calming this inflammation, prunes help tip the balance back in favor of bone-building cells.

• Studies also point to prunes’ effects on the gut microbiome — The researchers have published a follow-up study looking at how prunes influence the gut microbiome, which in turn impacts bone metabolism. They found that participants with certain gut microbiome reap the bone health benefits of prunes.

“We identified several microbiome and human health variables associated with responders to prune supplementation. These factors may be involved in the mechanisms underlying the bone-protective effects of prune supplementation in postmenopausal women,” the researchers reported.

Overall, the researchers conclude that prunes offer a simple, natural strategy for women trying to preserve their bone strength in the years after menopause. And unlike drugs or high-dose calcium, prunes come with an assortment of nutrients that help other systems in your body as well.

What Else Can Prunes Do for Your Health?

If you’ve only ever eaten prunes to bring your potty schedule back on track, you’re surely missing out on the many advantages of these fruits. The benefits of prunes stretch beyond your digestive system, as they are found to support your heart, brain, and blood sugar health.

• Prunes help protect you from cardiovascular diseases — A study published in the Journal of Medicinal Food found that consuming 50 to 100 grams of prunes daily helped lower heart disease risk factors among postmenopausal women.7 These include cholesterol, oxidative stress, and inflammation. The potassium in prunes also helps maintain healthy blood pressure levels.8

• They also help give your brain a boost — Prunes promote good circulation, meaning that they also support brain health. Registered dietitian Serena Ball comments, “Good circulation to the heart means good circulation to the brain, which can decrease the risk of brain degeneration.” In turn, this can protect against neurodegenerative diseases like Alzheimer’s.

And because your gut and brain are closely intertwined, anything that helps promote optimal gut health helps support brain health, too, affecting your mood, behavior, and even your immune function.

• Prunes promote healthy weight management — The sweetness of prunes comes from sorbitol, a complex carbohydrate that is metabolized slowly in your body. But just because they are sweet doesn’t mean they add inches to your waist. In fact, a study conducted by De Souza and her team found that women who consumed moderate amounts of prunes for a year did not develop any negative metabolic effects, like increased waist circumference.

• Dried fruits like prunes may help reduce your risk of Type 2 diabetes — Diabetics are often advised to avoid prunes, dried apricots, and raisins because of their sugar content; however, a 2024 study provided surprising insights. The researchers found that a higher consumption of dried fruits was associated with a lower risk of Type 2 diabetes.9

Other Strategies to Protect Your Bone Health

While eating prunes is an ideal way to support your skeletal health and ward off osteoporosis, there are other effective strategies to make sure your bones stay strong and healthy as you age. Here are some examples:

• Address your nutrient deficiencies — You need to get enough calcium, since almost 98% of this mineral present in your body is found in your bones. However, along with boosting your calcium, you also need to have optimal levels of vitamin D, magnesium, and vitamin K2 (MK-7).

This combination of nutrients allows calcium to be better absorbed and distributed throughout your body, so it reaches your bones and teeth instead of being deposited in your arteries, where it increases your risk of heart disease.

• Get enough protein, particularly collagen — About 30% of your bone is collagen, making it an essential dietary component to prevent bone loss. As a general guideline, you want approximately 15% of your daily calories to be protein, with collagen making up one-third of it (5%).

The best way to get more collagen into your diet is by making bone broth from organic grass fed animal bones. Slow-cooking or pressure cooking more gelatinous cuts of meat is another option, as are collagen and gelatin supplements.

• Get enough exercise — Weight bearing exercises and strength training will improve both muscle and bone strength. One study also notes that resistance training, as well as aerobic training, positively benefits bone density.10

• Make healthy lifestyle choices — Choices that negatively affect bone health include smoking, drinking alcohol, and consuming soft drinks (as well as other ultraprocessed foods and beverages). Being constantly sedentary also harms your bone health.

Frequently Asked Questions (FAQs) About Prunes and Bone Health

Q: How many prunes should I eat each day to support bone health?

A: Research suggests that eating four to six prunes a day — about 50 grams — is enough to help preserve bone strength and density, especially in postmenopausal women. This amount was effective without being difficult to maintain long-term.

Q: What part of the bone do prunes help protect?

A: Prunes help preserve the outer layer of bone called cortical bone, which carries body weight and is most likely to fracture during a fall. In the study, women who ate prunes maintained this layer, while those who didn’t lost strength in their tibia (shinbone).

Q: Why are prunes better than calcium supplements alone?

A: Unlike calcium pills, prunes offer more than just minerals. They contain anti-inflammatory polyphenols, fiber, magnesium, potassium, and copper — all of which contribute to stronger bones without the added risk of kidney stones or calcium buildup in arteries.

Q: Can prunes help if I already have osteoporosis?

A: While prunes aren’t a cure, the study shows they slow bone breakdown and support bone quality. They may be especially helpful when combined with a healthy diet, strength training, and other lifestyle changes that protect bone health.

Q: Are there other health benefits to eating prunes daily?

A: Yes. Prunes have been linked to lower cholesterol, better blood pressure, improved gut health, and even cognitive support. Their fiber and slow-digesting sugars also help with appetite control and metabolic balance.

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Posted by: | Posted on: July 9, 2025

The Crucial Connection Between Vitamin K2, Calcium Metabolism, and Disease Prevention


Reproduced from original article:
https://articles.mercola.com/sites/articles/archive/2025/07/06/vitamin-k2-calcium-metabolism-disease-prevention.aspx

Analysis by Dr. Joseph Mercola     July 06, 2025

Story at-a-glance

  • Vitamin K2 directs calcium into your bones instead of arteries, which helps keep them strong and reduces calcification that leads to heart disease
  • A Nutrients review revealed that higher K2 intake improved bone mineral density (BMD) and slashed fracture risk, particularly among older adults and postmenopausal women
  • Your apolipoprotein E (ApoE) genotype influences how your body processes vitamin K2. ApoE 2/2 individuals clear it slowly, risking buildup, while ApoE 3/4 or 4/4 clear it fast, requiring higher doses
  • MK-4, found in animal foods, has a short half-life; MK-7, from natto or supplements, lasts longer. Matching the correct form to your genetic profile helps ensure optimal calcium transport
  • To direct calcium where it belongs, balance vitamin K2 with D3, avoid vegetable oils, and get enough magnesium. This will help prevent arterial calcification while maintaining strong bones and reducing your fracture risk

For decades, the conventional advice for optimal bone health has been to take calcium supplements — but the fact is that without the right co-factors, like vitamin K2, this nutrient doesn’t end up strengthening bones, and could cause damage instead.

Vitamin K2 ensures that calcium binds to bone where it belongs. Without sufficient amounts of K2, calcium builds up in places where it shouldn’t — like your arteries — while leaving your bones weak and brittle. This is why people with low vitamin K2 levels often develop both osteoporosis and hardened arteries, a paradox that drastically increases their risk of fractures and heart disease.

Vitamin K2 Strengthens Bones and Protects Against Fractures

A review published in Nutrients examined the role of vitamin K2 in bone health, specifically its impact on bone mineral density (BMD) and fracture risk in adults. The researchers focused on how K2 influences calcium utilization in the body, ensuring that this essential mineral strengthens bones rather than accumulating in arteries.1

• Vitamin K2 strengthens skeletal function — The study analyzed a population of older adults, who are particularly vulnerable to bone loss and fractures. They found that participants who regularly consumed vitamin K2, whether through diet or supplementation, exhibited stronger bones and a lower risk of fractures compared to those with lower intake levels.

The researchers noted that K2 supplementation was especially beneficial for postmenopausal women, who are at the highest risk for osteoporosis-related fractures.

• Bone mineral density is higher — One of the most striking findings was the measurable increase in BMD among those supplementing with K2. Bone density improved significantly within months, reducing the likelihood of fractures over time. Individuals with low K2 intake had signs of weakened bone structure, making them more susceptible to breaks from minor falls or injuries.

• Risk of fractures is reduced — The study also looked at fracture rates over time. Participants with higher K2 intake had fewer fractures, particularly in the hip and spine, two of the most vulnerable areas in aging individuals.

The difference was significant — those with insufficient K2 intake experienced nearly twice as many fractures as those who maintained adequate levels. This suggests that K2 not only improves bone density but also enhances bone strength and resilience.

• Vitamin K2 directs calcium — The biological mechanism behind these findings is straightforward but powerful. Vitamin K2 activates key proteins — osteocalcin and matrix Gla protein (MGP) — which direct calcium where it is needed and prevent it from accumulating where it shouldn’t.

Osteocalcin ensures calcium binds to the bone matrix, while MGP prevents calcium deposits from forming in arteries. Without sufficient K2, these proteins remain inactive, leading to both weakened bones and arterial calcification.

• Vitamin D interplays with vitamin K2 — To summarize, the researchers said, “[W]e find that an adequate supply of vitamin K, on top of an optimal vitamin D status, seems to add to the benefit of maintaining bone health. More research related to synergism and the possible mechanisms of vitamins D3 and K interaction in bone health is needed.”2

Concerns and Challenges Regarding Vitamin K2 Absorption

However, there are significant challenges when it comes to optimizing vitamin K2. For example, testing isn’t widely available, as most doctors do not consider it part of routine health screenings. There are also individual factors that affect your ability to utilize K2, one of which is your genetics.

• The journey to testing vitamin K2 — In the video above, Nadir Shah, a licensed structural engineer and educational consultant who runs the YouTube channel “Knowledge for Quality of Life,” shares his personal health journey and how he discovered that your genetic makeup influences the amount of vitamin K2 you absorb.

His research began back in 2021, when he and his wife (who has osteopenia, or bone density loss) became curious if they are meeting the optimal levels of nutrients — particularly for vitamin K2.3

• Vitamin K2 testing is challenging — According to Shah, “There is no such test that which can test all the micronutrients and all the vitamins, all the minerals, because I’ve been hunting those tests, basically in the insurance literature, health insurance, which I’m covered with, and there’s none basically.

We’ve been taking vitamin K2 along with vitamin D, which I have mentioned in my previous vlogs. We’ve been taking 100 micrograms, myself and my wife, both. We’ve been taking the same dosage. But there is no test for vitamin K2,” Shah explained.4

After an extensive search, Shah was able to find two labs that offered testing for K2 — Genova Diagnostic and Vibrant Labs of America. However, there is no separate K2 test; it’s actually part of a micronutrient panel test that costs nearly $400. What’s more, the test needs to be prescribed by a physician.5

• Finding a solution — According to Shah, he found an integrative medicine doctor in Phoenix, Arizona who recommend Vibrant Labs of America for micronutrient panel testing. After this encounter, his family got their results after four to six weeks.

• The importance of getting tested — Shah noted that, “[T]he eye-opening thing for me in that test … was the vitamin K2 level. I came OK in vitamin K2, but my wife was a bit short. She was OK at the serum level, when I say serum level means it’s the blood level, but at the blood cells at the cellular level, she falls short. And that was an alarming point for me …”

As Shah and his wife were taking the same dose, he then sought answers as to why there was such a significant difference in their levels. Her cellular levels of this nutrient were not reaching the optimal amount, which means it’s not activating the vitamin K-dependent proteins, matrix GLA protein and osteocalcin. It took him months, but he eventually found the answer in a research paper.6

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The Role of ApoE Genotype in Vitamin K2 Absorption

Your apolipoprotein E (ApoE) genotype is one of the key genetic markers involved in processing vitamin K2. This gene influences how your body processes fats and vitamins, including vitamin K2. There are different variations of the ApoE gene, and depending on which one you inherit, your body may either clear vitamin K2 quickly or retain it for a longer time. In Shah’s case, he and his wife have different ApoE genotypes.7

• The differences in genotypes — According to Shah, “There are genotypes which we have inherited from mom and dad. There are basically three copies: 2, 3, and 4. Then there is a combo 2/3, 3/3, 3/4, and 4/4. So, there’s a combination of six altogether. These are called ApoE genotype alleles.”

• Genotypes determine vitamin K2 clearing — Shah continues, “I found out in that paper that people who are ApoE 2/2, they clear vitamin K2 very slow; particularly, their clearance rate is very slow. Now, 3/3 are typically neither slow nor fast, but 3/4 and 4/4 people — people who carry ApoE one copy of 4 or double copy of 4 — they clear their vitamin K2 from the body pretty fast.

It means that the dosage which I’ve been taking, 100 micrograms … was okay because I’m 3/3. We got both tested after that and that was like a light bulb went on,” Shah says.8

Many people do not know their ApoE genotype because it is not a standard diagnostic test. However, getting tested provides valuable insights into how your body processes vitamin K2 and other nutrients. After learning this information, Shah increased his wife’s K2 dose, and since then they have seen noticeable results.

• The impact of increasing vitamin K2 intake — Shah recalls their story, “Since 2021, we did another DEXA scan. Her osteopenia stopped progressing at two locations. That’s a good sign. Very good sign. Because if … the T-score doesn’t go in the negative further, it means that it has stopped. It means that she is getting enough K2 …”

• Boosting your vitamin K2 intake has no side effects — According to Shah, his wife is “eating natto as well. She is in the range of probably 800, 900 micrograms — eight- or ninefold than what she was taking before. And I am the same way. I increased even though I was okay, but I increased because there is no, we don’t feel any side effect, nothing whatsoever.”9

He adds that understanding your ApoE genotype is also useful for other aspects of your health. Certain variations are linked to a higher risk of Alzheimer’s disease, cardiovascular issues, and how your body handles cholesterol. Knowing this information will help you make better choices about your diet, supplements, and overall lifestyle.

The Type of Vitamin K2 You Take Matters

Shah also mentions that the form of vitamin K2 affects how efficiently you absorb it. The most common forms are menaquinone-4 (MK-4) and menaquinone-7 (MK-7).

• The difference between MK-4 and MK-7 — Shah explains, “MK-4’s half-life is only four hours and MK-7’s half-life is 72 hours. It stays in the system in the body longer … So, it means that MK-7 is not good for people who are ApoE genotype 2/2, because I’ve been seeing a lot of people when they take K2 MK-7, they feel palpitation.

What happens is that, based on the literature, if they take [it] on daily basis, the body is not clearing because it’s clearing slow, it’s going to back up and then it’s going to give you a side effect.”

• Your genotype dictates which form of vitamin K is better — From Shah’s findings, he noted that “People who are ApoE genotype 2/2, based on the literature, they are better off with MK-4 because it clears fast. Now, if you are 2/2 — the only way we are going to know what type of ApoE genotype we carry is we need to get tested, and it’s a once in a lifetime test.”10

• Top sources of MK-4 — MK-4 is a short-chain form of vitamin K2 found in animal products such as meat, eggs, liver, and dairy.11,12 However, it has a short biological half-life, which makes it a poor candidate as a dietary supplement. However, MK-4 from food is important for good health as it plays a role in gene expression. For example, research has found it helps lower your risk of liver cancer.13

• Top sources of MK-7 — Meanwhile, MK-7 is a longer-chained vitamin K2 found in fermented foods such as sauerkraut, certain cheeses, and natto. It’s produced by specific bacteria during the fermentation process. However, not all strains of bacteria make it, so not all fermented foods will provide it.14

How to Make Sure Calcium Goes to the Right Places

If you want strong bones and flexible arteries, getting enough vitamin K2 is non-negotiable. Without it, calcium ends up in all the wrong places — clogging your arteries instead of strengthening your bones. The good news is, you have control over this. By making a few simple adjustments, the calcium you ingest will work for you, not against you.

1. Get enough vitamin K2 from the right sources — Your body needs K2 to activate the proteins that direct calcium into your bones and keep it out of your arteries. The best natural sources are natto, hard cheeses like Gouda, egg yolks, and organ meats.

If you don’t regularly eat these foods, consider a high-quality vitamin K2 supplement. If you opt for an oral K2 supplement, it’s best taken with your evening meal, along with any vitamin D and/or calcium and magnesium you’re taking.

2. Balance your vitamins D3 and K2 intake — If you are supplementing with calcium and vitamin D3 but not vitamin K2, you’re making a huge mistake. Vitamin D3 increases calcium absorption, but, as discussed, you need K2 to prevent that extra calcium from going where it doesn’t belong.

Always make sure that for every 5,000 IUs of vitamin D3 you take, you’re also getting around 180 micrograms (mcg) of vitamin K2. This keeps calcium metabolism in balance and prevents calcification where you don’t want it.

3. Eliminate vegetable oils and processed foods — Too much linoleic acid (LA), found in vegetable oils like soybean, canola, and corn oil, damages your arteries, making them more vulnerable to calcium buildup.

Processed foods are packed with these inflammatory oils, so eliminating them from your diet is one of the best strategies to support your heart and overall health. Instead, cook with saturated fats like grass fed butter, ghee, or tallow, and avoid anything that lists vegetable oil as an ingredient.

4. Get more magnesium to keep calcium in check — Along with vitamin K2, magnesium is another key to proper calcium regulation. It helps prevent calcium from accumulating in soft tissues. If you’re not getting enough magnesium, your body struggles to properly use both vitamins K2 and D3.

The easiest way to find your ideal magnesium dose is by using magnesium citrate — slowly increasing the amount until you notice loose stools, then backing off slightly. Once you know your threshold, you can switch to other forms of magnesium, such as magnesium threonate (which doesn’t cause loose stools), for better brain and bone benefits.

If you’re eating a balanced diet with dairy, leafy greens, and bone broth, you probably don’t need extra calcium. Instead, focus on getting the right co-factors mentioned above, and let your body handle the rest naturally.

Frequently Asked Questions on Vitamin K2 and Bone Health

Q: Why is vitamin K2 important for bone health?

A: Vitamin K2 plays a crucial role in directing calcium to the bones, where it strengthens bone mineral density (BMD) and reduces fracture risk. Without sufficient K2, calcium accumulates in arteries instead, increasing the risk of both osteoporosis and cardiovascular disease.

Q: How does vitamin K2 impact bone density and fracture risk?

A: Studies show that vitamin K2 supplementation improves BMD and significantly reduces fractures, especially in older adults and postmenopausal women. It activates osteocalcin and matrix Gla protein (MGP), which ensure calcium binds to bones rather than accumulating in arteries.

Q: What factors affect vitamin K2 absorption in the body?

A: Genetics, specifically the ApoE genotype, influence how quickly your body clears vitamin K2. Individuals with ApoE 3/4 or 4/4 genotypes clear K2 faster and will need higher doses, while those with ApoE 2/2 clear it slowly and are better suited to the MK-4 form of vitamin K2.

Q: What are the best sources of vitamin K2?

A: Natural sources of vitamin K2 include fermented foods like natto, cheese made from grass fed dairy, egg yolks and organ meats. For supplementation, MK-4 has a shorter half-life and is better suited for fast K2 metabolizers, while MK-7 remains in the body longer and is preferable for slower metabolizers.

Q: How can I ensure calcium is used properly in my body?

A: To direct calcium to bones and prevent arterial calcification, maintain a balance of vitamins K2, D3, and magnesium. Aim for 180 mcg of vitamin K2 for every 5,000 IUs of D3. Also, avoid processed foods and vegetable oils, which contribute to arterial damage and improper calcium distribution.

Posted in Bones, Calcium, Vitamins | No Comments »

Posted by: | Posted on: July 1, 2025

Why Do Some People Get a Curved Back as They Age and What Can I Do to Avoid It?


Reproduced from original article:
https://articles.mercola.com/sites/articles/archive/2025/07/01/curved-back-kyphosis.aspx

Analysis by Dr. Joseph Mercola     July 01, 2025

curved back kyphosis

Story at-a-glance

  • Kyphosis (rounded upper back) signals spine failure from muscle weakness, poor posture or fragile bones; it increases risks of falls, breathing problems and early death
  • Height loss exceeding 3 centimeters often indicates silent spinal fractures; these allow your spine to buckle forward even without noticeable pain
  • Postural kyphosis from poor habits is fixable, while structural kyphosis from osteoporosis and vertebral fractures is harder to correct and more dangerous
  • Strengthening your back muscles by lifting your chest while lying face down provides lasting benefits, including reducing broken bones even years after you stop doing these exercises
  • Avoid forward-bending exercises like sit-ups if you’re concerned about kyphosis; instead focus on extension-based movements, proper posture both day and night, and Foundation Training

A rounded upper back in old age seems like a harmless sign of getting older, but it’s actually a red flag that your spine is starting to fail. This condition, known as kyphosis, signals that the structural support in your upper body is collapsing under the pressure of muscle weakness, poor posture or fragile bones. And once the curve becomes fixed, it doesn’t just make movement harder — it increases your risk of falls, lung dysfunction, fractures and even early death.

Height loss of more than 3 centimeters from your peak adult height — about an inch and a quarter — is often the first visible warning. According to national guidelines from Healthy Bones Australia and the Royal Australian College of General Practitioners, that type of height loss strongly points to silent spinal fractures.1

These small breaks occur without injury or pain, especially in people with undiagnosed osteoporosis, and they allow the spine to buckle forward, creating the signature hunch. Even in the absence of pain, this curve reshapes how your body moves and breathes. Once your spine tips past 50 degrees of forward bend, known as hyperkyphosis, every step and breath become more work.

The Journal of Orthopaedic & Sports Physical Therapy confirms that this level of curvature is tied to reduced lung volume and shorter life expectancy, even in people who feel otherwise healthy.2 If you’re noticing signs like forward head posture, rounded shoulders or unexplained height loss, the time to act is now. The earlier you address the root causes — before the curvature locks in place — the greater your chances of recovery.

Poor Posture and Brittle Bones Turn a Natural Curve Into a Permanent Hump

Certain types of kyphosis are the result of a slow and silent shift that creeps up over decades and is often preventable with the right habits and interventions.3

• Age and posture both play a role, but they lead to very different outcomes — Poor posture, like hunching over your phone or slouching in a chair, is one major cause of postural kyphosis. This version is often seen in younger adults and teens and is caused by muscle imbalance and repetitive positioning.

But as you get older, the more serious version — age-related kyphosis — starts to take over. This form is usually the result of actual physical damage to the spine itself, especially from tiny spinal fractures linked to osteoporosis. Unlike postural rounding, which can usually be corrected by standing up straight, hyperkyphosis stays even when you try to straighten your back.4

• Posture-related kyphosis is usually fixable — If your curved back comes from muscle weakness or long hours sitting, you’re not stuck with it. To reverse this, try:

◦Strengthening your upper back and core muscles

◦Stretching tight areas like your chest and hip flexors

◦Practicing good posture during everyday activities

• Structural kyphosis is harder to fix and linked to serious bone loss — If your kyphosis comes from tiny cracks in the spine, it becomes a structural issue. These fractures usually result from osteoporosis, where bones become fragile and compress under everyday stress. This version of kyphosis:

◦Doesn’t correct when you stand tall

◦Often comes with back pain or stiffness

◦Causes a noticeable loss of height (more than 3 to 4 centimeters)

◦Increases the risk for further spine damage and limits mobility

Two-thirds of vertebral fractures are missed entirely because they don’t cause sudden pain.5 That means your spine could be deteriorating without you realizing it. If left untreated, the resulting curve not only affects how you look but also how well you move, breathe and stay balanced.

• There are key signs you shouldn’t ignore — If you notice these issues, it’s time to take action:

◦You’ve lost height compared to your younger adult years

◦Your back curves forward even when you try to stand straight

◦You experience ongoing back pain or stiffness, especially in your upper spine

◦You find it harder to twist, bend, or stay upright for long periods

Tight Muscles and Weak Support Systems Are Driving Your Spine Out of Alignment

A detailed breakdown from Banner Health highlights the common causes, symptoms and solutions for kyphosis, particularly focusing on how lifestyle choices and body imbalances push your spine into a forward curve.6 The article centers on practical tools for identifying posture problems early and explains which interventions make the biggest difference before things get worse.

• Kyphosis doesn’t just affect the elderly — it’s happening to people of all ages — Julie Barnett, a physical therapist with Banner Physical Therapy, explained that tight muscles in your neck and chest, combined with weak upper back muscles, are the two biggest drivers of postural kyphosis. This describes what happens when you spend hours hunched over your phone or computer every day. That means if you’re constantly glued to a screen, this warning is for you.

• Simple physical therapy exercises undo early-stage kyphosis — There are easy movements to help improve posture and retrain weak muscles. These include:

◦Chin tucks to strengthen deep neck muscles and correct forward head posture

◦Shoulder blade squeezes to activate the mid-back and improve upper spine alignment

◦Doorway stretches to loosen your chest and restore shoulder mobility. Each of these targets specific muscle groups that lose function when your body stays in a flexed position for too long

• Treatment outcomes depend heavily on early action and the right interventions — Barnett emphasized that the severity of your kyphosis, and how early you start targeted rehab, makes a huge difference. She recommends a multi-pronged strategy for best results:

◦Correct posture throughout the day with ergonomic adjustments at your workstation

◦Work with a physical therapist to balance tight and weak muscles

◦Add resistance training for your back, shoulders and core to build a support system for your spine

◦Consider chiropractic care or acupuncture to reduce muscle tension and improve spine mobility

• Posture correction is a full lifestyle upgrade — The article ends with a set of posture-protective habits to start today, including:

◦Using lumbar support and sitting tall at your desk

◦Taking stretch breaks every 30 to 60 minutes

◦Including strength-focused movement like yoga to restore balance

◦Prioritizing bone-supportive foods like leafy greens, grass fed dairy and eggs, while avoiding processed foods and excess caffeine that sap your bones

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Some Spine Curves Are Harmless, Others Affect How You Walk, Breathe and Age

The Cleveland Clinic offers a clear and comprehensive guide on kyphosis, breaking down not just what causes it, but how different forms of spinal curvature impact movement, pain and even breathing.7 While many people think of it as just a cosmetic issue, there are deeper health implications, especially for those with more advanced spinal changes.

• Not all kyphosis looks the same or has the same risks — Kyphosis includes several forms: postural, Scheuermann’s, congenital, cervical (military neck) and hyperkyphosis. These are not interchangeable.

Postural kyphosis shows up most in teenagers and is caused by slouching — something that can often be corrected with exercises. Congenital kyphosis is present from birth. Scheuermann’s involves wedge-shaped vertebrae that cause a fixed curve, and hyperkyphosis is the steep, progressive curve that often appears after age 40.

• Severe cases come with real physical complications, not just a curved back — While mild kyphosis is common and usually harmless, more serious curves, especially in older adults, create real health burdens. Symptoms include:

◦Persistent back and shoulder pain

◦Muscle stiffness and fatigue

◦Trouble breathing due to lung compression

◦Loss of bladder or bowel control in extreme cases

To diagnose kyphosis, providers use a “bending test,” where you bend forward to reveal abnormal curvature. They then confirm the diagnosis with an X-ray to measure your spinal angle. Anything over 50 degrees is considered kyphotic.

• You don’t need surgery unless the condition becomes extreme — Most people with kyphosis do not need surgery. Instead, they benefit from:

◦Physical therapy to build core and spinal strength

◦Posture correction to retrain how the body stands and moves

◦Pain management

◦Supportive braces, especially for adolescents with Scheuermann’s. Bracing is most helpful for teens whose bones are still developing and may not be effective in older adults with fixed deformities

• There’s a big difference between scoliosis and kyphosis — know which one you have — One common misconception is that scoliosis and kyphosis are variations of the same problem. This isn’t true. Scoliosis involves a sideways curve, like a C or S shape when viewed from behind. Kyphosis is a front-to-back curve that creates a hunchback appearance. They can occur together, but one does not lead to the other.

• Posture habits during childhood and teen years set the foundation for lifelong spinal health — Postural and Scheuermann’s kyphosis typically develop in teens. Because their bones are still growing, this is the most effective window to intervene. That means regular screenings, awareness of slouching and consistent muscle training early in life prevents more serious problems later in life.

Why Strength Training and Posture Correction Work Better Than Medications

In a detailed review published in the Journal of Orthopaedic & Sports Physical Therapy, researchers explored hyperkyphosis’ biological causes, long-term risks and treatment options, emphasizing how physical therapy, muscle strengthening and posture correction are far more effective than medications alone.8

• People develop the same spinal curve for different reasons — The paper explained that age-related hyperkyphosis doesn’t always follow a single path. Some people develop a curved back because of vertebral fractures linked to osteoporosis.

Others develop the same posture from spinal muscle weakness, disc degeneration or abnormal spinal bone shape, completely independent of fractures. That means you might have the same outward curvature as someone else, but for entirely different reasons — and that matters when deciding what treatment will work.

• Kyphosis reduces quality of life and raises the risk of early death — People with hyperkyphosis reported lower satisfaction with life, worse health and more physical limitations than those with a straighter spine.

In fact, multiple cohort studies reviewed in the paper linked severe spinal curvature with higher rates of pulmonary death, especially in older women, regardless of whether they had osteoporosis. The study also found that women with severe kyphosis had trouble:

◦Climbing stairs

◦Standing from a chair without using their arms

◦Maintaining balance

◦Walking with normal speed and stride

• Many people with severe curvature don’t even have fractures — Only about 40% of people with extreme spinal rounding had vertebral fractures. That means medications aimed at bone density, like bisphosphonates, often miss the real issue. Most of these patients showed signs of degenerative disc disease or lost spinal mobility from stiffened ligaments and shortened muscles. It’s not a bone problem — it’s a movement problem.

Targeted Physical Therapy Changes Posture, Improves Strength and Prevents Fractures

One of the most striking findings in this paper came from a long-term study on spinal extension exercises. Women with kyphosis who performed prone (face down) back lifts wearing a weighted backpack five times per week not only improved their posture and muscle strength, but also had significantly fewer vertebral fractures over the next 10 years — even though they stopped the exercise after the study ended. That’s the power of strengthening the right muscles early on.

• Strength training is more effective than stretching or flexibility work alone — While stretching relieves tightness, researchers emphasized that spinal extension exercises — movements that open your chest and engage your back — produced the most measurable improvements. These included:

◦Weighted back lifts

◦Quadruped (on all fours) arm/leg raises

◦Torso twists

◦Chest stretching over a foam roller

When used consistently, these exercises reduced the angle of kyphosis, increased standing height and decreased pain.

• Yoga and multidimensional programs deliver lasting results, even years later — In one trial, participants over 60 who did yoga three times a week improved their posture by 4.4% in just six months.

In another study, women who did strength training, stretching and mobility work twice weekly for 12 weeks maintained their posture and strength improvements for an entire year, with no further therapy needed. Results were especially strong when participants worked on both spine mobility and sensory feedback (like vision and balance), not just muscle tone.

• Posture-correcting braces and even taping methods improve body awareness — Researchers tested lightweight braces and found they helped older women reduce their spine angle by 11% when worn for just two hours daily. This wasn’t because the brace held them up; it gave them feedback, triggering postural muscles to activate more naturally.

Similarly, physical therapists applied therapeutic tape across the upper back, which helped correct posture during movement by giving the brain feedback through the skin. These strategies gave people more awareness of how they were holding themselves.

• Not all exercise is helpful — some moves make it worse — The authors warned that forward-bending movements like sit-ups, crunches or curling forward during daily activities increased the risk of vertebral fractures, especially in women with osteoporosis.

In one study, 68% of women who did only forward-bending exercises developed new fractures within six months, compared to just 16% in the back-extension group. That’s a massive difference, and a reminder that spine-safe movement patterns are key.

How to Retrain Your Spine and Prevent Dangerous Forward Curvature

If your shoulders are starting to round forward, or if you’re already seeing a curve in your upper spine, you’re not stuck with it. Kyphosis doesn’t have to be a permanent sentence, especially when you catch it early.

The most important thing is to stop what’s causing the problem in the first place: weak back muscles, limited mobility and posture habits that make the curve worse over time. Here’s what I recommend to get real results and keep your spine strong, upright and supported:

1. Strengthen your spinal extensor muscles every week — If you want to reverse the curve, you have to activate the muscles that hold you up against gravity. The most effective movement is a prone back lift with added weight — lie on your stomach, place a light backpack or small weight across your upper back and slowly lift your chest while keeping your head neutral.

Start with three sets of 10 reps, five times a week. This one move alone lowered fracture risk in older women and kept their posture straighter 10 years after they stopped doing it.9

2. Focus on your posture all day — and all night — How you stand, sit and sleep matters more than you think. Start by adjusting your workstation so your monitor is eye level and your feet are flat on the floor. When walking, imagine a string pulling the crown of your head upward while your shoulders stay relaxed and back.

But don’t stop there. Your sleep posture also influences spinal health. I recommend a cervical pillow that supports your neck’s natural curve without elevating your head too high. This helps prevent that forward-head shift that reinforces upper spine curvature.

3. Avoid exercises that bend your spine forward — Sit-ups, crunches, toe touches and any move that curls your spine forward are the worst choices if you’re trying to avoid vertebral fractures. Women who only did forward-bending exercises were four times more likely to develop a fracture in six months. Swap these for extension-based moves like bird-dogs, upper back stretches using a foam roller and chest-opening stretches.10

4. Use biofeedback tools to rewire your posture habits — If you find yourself slouching throughout the day, try simple tools that bring your attention back to how you’re holding yourself. Try a posture trainer brace or even use posture tape across your upper back.

These don’t prop you up — they wake up the muscles you’re not using and retrain your brain to stand tall. Just wearing them for a couple of hours a day made a measurable difference in spinal angle.11

5. Build a routine that includes Foundation Training, balance and mobility — To get long-term results, your routine should train your whole body to support upright posture, not just individual muscles. That’s where Foundation Training comes in. Developed specifically to strengthen your posterior chain and restore natural alignment, these movements teach your core and back muscles to work together in integrated chains of motion.

Even just 10 minutes a day of Foundation Training helps decompress your spine, reduce low back pain and retrain your body to move with better posture. Pair Foundation Training with a few short sessions per week that also target:

◦Spinal extension and back strength (weighted lifts, bird-dogs)

◦Chest and shoulder mobility (foam rolling, wall angels)

◦Core and pelvic stability (dead bugs, glute bridges)

◦Balance and sensory feedback (heel-to-toe walks, single-leg stands)

FAQs About a Curved Back

Q: What causes a curved upper back as you age?

A: The most common reason is poor posture and muscle weakness in your upper back and neck, especially if you spend hours hunched over a desk or phone. As you get older, bone loss and spinal degeneration, like osteoporosis and vertebral fractures, lead to a more permanent curve known as hyperkyphosis.12,13,14

Q: Is it possible to reverse a curved spine or dowager’s hump?

A: Yes, if the curvature is caused by posture issues and not permanent bone changes. Exercises that target spinal extensor muscles, improve mobility and reduce forward-flexion stress reduce or even reverse the curve. However, if you already have compression fractures, the goal shifts to reducing pain and preventing it from getting worse.15,16

Q: What are the best exercises to fix or prevent kyphosis?

A: The best exercises help you straighten and strengthen your upper back. Try gentle moves like lying on your stomach and lifting your chest (prone back lifts), bird-dogs, foam roller stretches for your upper back and shoulder blade squeezes.

One of the most effective ways to improve posture is Foundation Training, a simple method that teaches your core and back muscles to work together to hold you upright. Avoid exercises that bend your spine forward, like crunches or toe touches, especially if you have low bone density or osteoporosis.17

Q: How does sleep posture affect spine health?

A: Sleeping with your head too high or unsupported reinforces poor posture. I recommend using a cervical pillow that maintains the natural curve of your neck without pushing your head forward. This keeps your spine aligned while you sleep and prevents the forward head posture that often contributes to a hunched upper back.18

Q: Do posture braces or taping help?

A: Yes, but only if they’re used the right way. Tools like posture braces or therapeutic taping don’t do the work for you. They give your body feedback to stay aligned and engage the right muscles. Just a couple of hours per day with a brace helped reduce spinal curvature in older adults.19

 

– Sources and References

Posted in Bones, Muscle, Spine | No Comments »

Posted by: | Posted on: May 14, 2025

How Probiotics in Fermented Dairy Help Manage Osteoporosis


Reproduced from original article:
https://articles.mercola.com/sites/articles/archive/2025/05/14/probiotics-fermented-dairy-osteoporosis.aspx

Analysis by Dr. Joseph Mercola     May 14, 2025

probiotics fermented dairy osteoporosis

STORY AT-A-GLANCE

  • Fermented dairy like kefir helps rebuild bone by boosting osteocalcin and lowering bone breakdown markers, which results in stronger bones
  • The probiotics in fermented dairy actively balance bone-building and bone-resorbing cells, helping prevent and even reverse the progression of osteoporosis
  • Research shows that regular kefir consumption increased hip bone density by 5.5% in just six months, offering real gains in areas most vulnerable to life-altering fractures
  • Beneficial bacteria in fermented dairy lower inflammation and oxidative stress, which are two hidden drivers of bone loss that most conventional treatments overlook
  • Dairy contains C15:0, an odd-chained saturated fat that helps boost metabolic health, protects cells, and supports healthy weight — all while strengthening your bones

Osteoporosis is one of the most devastating age-related diseases, and it often goes unnoticed until it’s too late. In America alone, it’s estimated that 10 million people are affected by this condition.1

Characterized by porous, brittle bones, osteoporosis leaves you vulnerable to fractures from simple falls. Common symptoms include back pain, stooped posture, and an increased risk of breaks in the hips, spine, or wrists. Without intervention, it causes permanent disability, loss of independence, and a significantly shortened lifespan.

While common medical advice pushes for increased calcium intake, this is just one piece of the puzzle. Calcium alone, without other nutrients and bioactive compounds, will contribute very little to improving bone strength. Now, research has shown that there’s one convenient solution — fermented dairy.

Fermented Dairy Actively Regulates Bone Cell Remodeling

Research published in Food Science of Animal Resources investigated how fermented dairy products and their probiotic content influence skeletal health. Specifically, researchers looked at the bone remodeling process that keeps your skeleton strong and adaptable throughout your life.2

• Probiotics actively change how your body regulates bone formation — The study shows that probiotics affect the two main types of bone cells, osteoblasts (builds new bone) and osteoclasts (breaks down old bones). When there’s an imbalance between the two, the risk for bone diseases like osteoporosis increases. A healthy balance is maintained by giving your body the right nutrients and signaling molecules to favor bone building over bone loss.

Results show that consuming fermented dairy regularly led to higher bone mineral density (BMD), better bone mineral content (BMC), and greater overall bone strength. These effects are especially notable in children during growth spurts and in aging adults who are at high risk of fractures.

• Fermented dairy supports the function of metabolic markers tied to bone health — According to the study, fermented dairy boosts osteocalcin and insulin-like growth factor I (IGF-I), which is a hormone that promotes the activity of osteoblasts, which is your body’s bone-building cells. Essentially, when fermented dairy increases IGF-I levels, it tells your body to start building newer bones.

At the same time, fermented dairy reduces the activity of osteoclasts by lowering inflammatory compounds like interleukin-17 (IL-17) and tumor necrosis factor alpha (TNF-α), which are known to accelerate bone breakdown. This double-action — more building, less breakdown — is what makes fermented dairy beneficial for bones.

• The probiotics in fermented dairy communicate with your immune system — Specific strains like Lactobacillus and Bifidobacterium help shift your immune balance from inflammation-centric to repair-centric. By increasing the presence of immune cells that lower inflammation and promote bone resorption, the probiotics help your body tip the scale toward healing and bone regeneration.

• Probiotics also produce short-chain fats (SCFAs) — The study singled out the ability of probiotics to produce butyrate, which helps reinforce the gut barrier so fewer toxins and inflammatory compounds leak into the bloodstream. Less systemic inflammation means better bone protection.

Butyrate also directly inhibits osteoclast formation and stimulates a pathway that encourages osteoblast activity and bone formation. In essence, SCFAs act like a natural defense system produced right inside your gut that also supports your bones.

• Fermented dairy lowers parathyroid hormone (PTH) levels — This is a noteworthy finding, as PTH is responsible for pulling calcium out of your bones when blood calcium levels drop.3 When you eat calcium-rich fermented dairy, your body doesn’t have to rob your bones to get what it needs. As a result, bone resorption markers like CTX go down — a sign that less bone is being broken down.

• The study highlighted how fermented dairy impacts gene expression — Specific genes involved in bone growth, like Runx2 and Bmp2, were upregulated in response to probiotic intake. Runx2 is a master switch for turning stem cells into bone-building osteoblasts. Meanwhile, Bmp2 helps trigger bone growth in both developing and mature bone tissue. Together, these genes help initiate and maintain healthy bone remodeling.

Kefir Triggers Real Bone Gains in 6 Months

In a similar study published in PLoS One, researchers tested the short-term effects of kefir on bone health in 40 adults already diagnosed with osteoporosis. For their methodology, they compared kefir with calcium bicarbonate supplementation versus taking supplements alone, measuring changes in BMD and key bone metabolism markers over a six-month period.4

• Probiotics helped reverse osteoporosis — In the kefir group, the marker for bone formation, osteocalcin, shifted dramatically. By the end of the six-month trial, people who started out with declining osteocalcin levels had reversed that trend. Their numbers rose to levels associated with active bone building.

In addition, a biomarker for bone breakdown, β-CTX (beta C-terminal telopeptide of Type I collagen), decreased significantly. This means there was less active degradation of bone tissue. Together, these two changes reflect the influence of probiotics on the body’s ability to rebuild and restrengthen bones.

• The benefits occur within a few months — Within the first month, β-CTX began dropping in those who took kefir. By the third month, the decline was more pronounced, especially in people who weren’t in the most severe stages of bone loss. This means that kefir not only worked for advanced stages — it also worked in the early stages, when there’s still time to reverse damage.

• Kefir targets bones prone to osteoporosis — Spine BMD didn’t change much, but hip and femoral neck BMD did, which are some of the most fracture-prone bones in older adults.5,6 After six months of kefir treatment, participants saw their hip BMD increase by 5.5%. This figure may not sound like much at first, but it goes to show how much kefir contributed to halting, and even reversing, BMD loss.

• Thyroid function is improved — The kefir group showed a rise in PTH after six months. For context, PTH helps regulate calcium levels in the blood and in this case of this study, higher PTH levels reflect the body’s increased signaling for bone remodeling.

In contrast, the control group had lower PTH levels, which the researchers tied to lower overall bone remodeling activity.

• Kefir is rich in health-boosting peptides — According to the study, kefir peptides result from milk protein breakdown during fermentation. They interact with your gut, your immune system, and even your bones, enhancing calcium absorption and making sure more of it ends up in your bones.

• Oxidative stress is suppressed by probiotics — People with osteoporosis often experience high levels of inflammation and oxidative damage, which accelerates bone resorption. The beneficial bacteria in kefir, through both direct antioxidant activity and immune modulation, helped reduce inflammatory cytokines.

That means less wear and tear on your bones from chronic low-grade inflammation, which is a factor that most conventional osteoporosis treatments ignore.

Ultimately, the research shows that kefir is more than a passive food you eat to fill your tummy — it also actively improves the inner workings of your bone metabolism, changing the signals your body sends about whether to build up or tear down your skeletal structure as needed. The longer those signals stay in “build” mode, the more time you buy to regain strength, stability, and resilience.

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C15:0 — A Beneficial Fat Found in Dairy

C15:0, also known as pentadecanoic acid, is an odd-chain saturated fat (OCFA) largely found in dairy. It’s also present in certain fish and plants. Why bring it up? Interestingly, this fat has been shown to be an important player in maintaining your cellular health.

You’re likely familiar with well-known fats that contribute to optimal health, such as omega-3, but I believe C15:0 also deserves its time in the limelight. In addition to the benefits discussed above, C15:0 provides other health benefits that make fermented dairy a superfood.

• Diabetes prevention — A meta-analysis7 of 33 prospective cohort studies found that people with higher C15:0 levels had a lower risk of developing Type 2 diabetes.

• Mitochondrial health — Research found that C15:0 helped repair mitochondrial function and lowered reactive oxygen species production in a dose-dependent u-curve.8

• Weight management — Daily supplementation of C15:0 at a dose of 5 mg per kilo of bodyweight lowered inflammation, glucose and cholesterol levels in obese mice.9

The takeaway here is that aside from probiotics, fermented dairy contains other nutrients that help support your health in different ways. For this reason, I encourage you to add these to your diet more often.

5 Effective Strategies to Support Your Bone Health

As shown in the research, managing osteoporosis is attainable through the help of probiotics found in fermented dairy. It contains a collection of beneficial bacteria strains that support gene expression related to promoting stronger bones, as well as nutrients that support this process. To help you take advantage of these benefits, I recommend the following lifestyle adjustments:

1. Add fermented dairy from grass fed sources to your diet — If your gut is able to tolerate dairy, I highly recommend adding kefir or plain, full-fat yogurt into your rotation, ideally from 100% grass fed milk. Aside from being rich in calcium, these foods contain other nutrients that shift your bone metabolism in the right direction. As shown in the research, kefir significantly increases hip bone density in just six months and supports osteocalcin.10

2. Consider taking a high-quality supplement — If you’re sensitive to dairy or can’t stand the taste of kefir or yogurt, that’s okay. In that case, you’d be wise to take a high-quality probiotic supplement that includes strains like Lactobacillus reuteri, L. casei, or Bifidobacterium longum — all shown to reduce bone loss markers and improve bone density.

3. Eat foods that feed your gut microbes — Probiotics are important, but they only thrive if you feed them well. If your gut is already compromised, start slowly with ripe fruits, root vegetables, and fermented foods that contain prebiotics. This creates an environment where beneficial bacteria begin to thrive again and start shifting away from inflammatory processes that lead to bone loss.

4. Bask in sunlight properly — Sunlight is how your body makes vitamin D, and this nutrient is key for calcium absorption and proper immune function. Aim for 15 to 30 minutes of unfiltered sun on your skin every day at midday, when the sun is at its peak. If you’ve been on a diet high in linoleic acid (LA), get your sun exposure during early morning or late afternoon instead to avoid skin damage.

In most regions in America, this means avoiding sunlight from 10 a.m. to 4 p.m. The reason for this is because when sunlight hits your skin, the LA in your skin is metabolized, causing DNA damage and inflammation.

For in-depth instructions on how to safely optimize your vitamin D levels, read my article “2024 International Virtual Vitamin D Forum Unlocks the Power of Vitamin D.” There, I provide additional strategies to lower your risk of skin cancer as you work towards purging your body from LA.

5. Get regular exercise — While a healthy diet will undoubtedly help boost skeletal health, there are other methods that optimize it further, such as exercise. As noted in the Food Science of Animal Resources Study, the impact generated by physical activity stimulates your osteocytes, thereby increasing BMD.11

To get your body moving, the easiest way is to go for a walk. I generally recommend getting 10,000 steps a day for optimal health. When it comes to resistance training, the benefits max out at around 40 to 60 minutes a week. For an in-depth explanation on this topic, read my article “The Benefits of Walking — How to Get More Steps in This Summer.”

Frequently Asked Questions (FAQs) About the Benefits of Probiotics for Skeletal Health

Q: What is osteoporosis and why is it dangerous?

A: Osteoporosis is a condition where bones become porous and brittle, making them more prone to fractures. It often goes unnoticed until a fracture occurs. It leads to chronic pain, loss of mobility, and even shorten lifespan if left untreated.

Q: How does fermented dairy help improve bone health?

A: Fermented dairy products like kefir and yogurt contain probiotics that regulate bone cell activity, increase bone-building cells (osteoblasts), reduce bone-resorbing cells (osteoclasts), and support bone density and strength. They also lower inflammation and boost helpful metabolic markers, such as osteocalcin and IGF-I.

Q: What scientific evidence supports the benefits of fermented dairy on skeletal health?

A: A six-month study published in PLOS One showed that kefir increased bone density in the hip by 5.5% and reversed markers of bone breakdown. Participants saw noticeable benefits in as little as one month, especially in early stages of osteoporosis.

Q: Are there other health benefits to fermented dairy besides bone strength?

A: Yes. Fermented dairy contains C15:0 (pentadecanoic acid), a rare fatty acid that supports metabolic health, mitochondrial function, diabetes prevention, and reduces inflammation, making it a complete “superfood.”

Q: What are the top strategies to support bone health naturally?

A: Key strategies I recommend include:

•Eating fermented dairy like kefir or yogurt.

•Taking high-quality probiotic supplements if dairy isn’t tolerated.

•Feeding your gut with prebiotic-rich foods.

•Getting proper sun exposure for optimal vitamin D levels.

•Exercising regularly, especially walking and resistance training.

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Posted by: | Posted on: March 16, 2025

Unveiling Vitamin K’s Underrecognized Benefits for Bone Health


Reproduced from original article:
https://articles.mercola.com/sites/articles/archive/2025/03/12/vitamin-k-bone-health.aspx

Analysis by Dr. Joseph Mercola     March 12, 2025

vitamin k bone health

STORY AT-A-GLANCE

  • Vitamin K is important for bone health beyond its role in blood clotting, with deficiencies linked to increased fracture risk and osteoporosis
  • Vitamin K works synergistically with vitamin D to enhance bone mineral density. This highlights the importance of maintaining adequate levels through diet or supplementation
  • The gut microbiome plays a significant role in vitamin K production, which impacts bone health by supporting the formation and maintenance of bone tissue
  • Vitamin K influences energy metabolism through osteocalcin, affecting insulin sensitivity and glucose metabolism, which are essential for preventing osteoporosis and diabetes
  • Strategies to help optimize vitamin K levels including consuming more food sources of both vitamin K1 and K2, strategically timing your vitamin K2 supplement intake and nourishing your gut microbiome with probiotics and prebiotics

Vitamin K is a fat-soluble vitamin that occurs in two forms, K1 (phylloquinone), found abundantly in green leafy vegetables, and K2. Vitamin K2 has several subforms, known as menaquinones, which are designated MK-4 through MK-13. These subforms differ primarily in the length of their side chains, which affects their distribution in the body, sources in the diet and specific biological functions.

MK-7 through MK-13 are produced by various strains of bacteria in the gut, while MK-4 is primarily found in animal-based foods such as eggs, dairy products (like cheese and butter) and certain meats (especially liver).

Vitamin K1 and K2 play pivotal roles in various body functions, including bone health. In fact, being deficient in vitamin K is closely linked to an increased risk of fractures and osteoporosis, a condition characterized by weakened bones and a heightened susceptibility to breaks.

Recent studies highlight that individuals with optimal vitamin K levels exhibit greater bone mass and a lower incidence of fractures. For instance, research demonstrates that vitamin K is essential for the production of a protein that’s vital for bone mineralization.1

Additionally, vitamin K2 has been shown to work synergistically with vitamin D, enhancing bone mineral density and overall bone quality. These findings underscore the importance of maintaining adequate vitamin K levels through diet or supplementation to support bone health effectively.

Understanding Vitamin K’s Bone-Strengthening Benefits

Vitamin K is a key player in maintaining bone strength and preventing arterial calcification, ensuring that calcium is directed to where it’s needed most — your bones and teeth, not your arteries.

• Vitamin K1 (phylloquinone) supports vascular health and bone retention — This form of vitamin K reduces calcification in blood vessels while helping bones retain calcium, preventing unnecessary calcium buildup in the arteries.

• Vitamin K2 (menaquinone) activates vitamin D and directs calcium — K2 works by activating vitamin D-dependent proteins, allowing calcium to be efficiently transported out of the arterial system and into bones and teeth.2

• Vitamin K is vital for the carboxylation of osteocalcin — This is a process that enhances bone strength. It might sound complex, but it’s actually a straightforward process. To understand this, you must first know what osteocalcin is — this is a small protein produced by osteoblasts during bone formation.3

• Carboxylation transforms osteocalcin into a functional hormone — Carboxylation is a process wherein osteocalcin is transformed from a simple protein into a sophisticated hormone involved in bone metabolism and broader metabolic regulation.

When your body lacks sufficient vitamin K, the carboxylation of osteocalcin is impaired. This means that osteocalcin cannot effectively bind calcium to the bone matrix. Over time, this contributes to osteoporosis, where bones become porous and more prone to fractures.

• Vitamin K deficiency increases cardiovascular risk — When calcium is not directed to your bones where it’s needed most, it not only decreases bone mineral density and increases fragility, but also puts you at risk of cardiovascular conditions. This is because calcium accumulates in places like your blood vessels and arteries instead.

• Common causes of vitamin K deficiency — The underlying causes of vitamin K deficiency often stem from poor dietary intake, certain medical conditions or the use of medications that interfere with vitamin K absorption. For instance, individuals with gastrointestinal disorders struggle to absorb this nutrient effectively. Additionally, long-term use of antibiotics disrupts gut bacteria, reducing your body’s natural production of vitamin K.

To learn more about the differences between vitamin K1 and K2, read “Vitamin K1 vs. K2 — Understanding Their Distinct Roles in Your Health.”

Vitamin K Plays an Essential Role in Enhancing Bone Health

A recent study investigated the multifaceted roles of both vitamin K1 and K2, as well as vitamin K-dependent proteins, in maintaining bone health, particularly emphasizing their interaction with vitamin D and their effects on calcium metabolism. The research aimed to determine how these vitamins work together to support bone integrity and prevent conditions like osteoporosis.4

• Vitamin K activates key bone-building proteins — Vitamin K facilitates the carboxylation of osteocalcin and matrix Gla-protein (MGP), which are essential for binding calcium within the bone matrix. MGP is also a potent inhibitor of arterial calcification.

• Vitamin K enables calcium-binding through carboxylation — One of the researchers’ key findings was that vitamin K acts as a necessary cofactor for enzymes that convert glutamic acid residues in proteins into gamma-carboxyglutamic acid residues. This chemical transformation is important for osteocalcin to effectively bind calcium. According to the researchers:

“The important effects of vitamin K on Ca and skeletal homeostasis are known to be mediated through its role as a cofactor for the γ-glutamyl carboxylase enzyme that promotes conversion of glutamate (Glu) residues to gamma-carboxyglutamic (Gla) residues in the post-translational carboxylation of osteocalcin (OC) and matrix Gla protein (MGP). This may have a significant impact on osteogenesis.”5

• Vitamin K2 plays a key role in bone remodeling — The study also revealed that vitamin K2 plays a significant role in bone remodeling. It assists in directing calcium to the bones and prevents its deposition in soft tissues, which leads to vascular calcification. This dual action supports both bone and cardiovascular health.

• Vitamin K and vitamin D work together to regulate calcium balance — The research highlighted the synergistic relationship between vitamins K and D in regulating calcium homeostasis.

Vitamin D enhances calcium absorption in the gut, while vitamin K ensures that the absorbed calcium is appropriately utilized by the bones. This collaboration between the two vitamins is essential for maintaining optimal bone density and reducing the risk of fractures.

“Vitamin D exerts effects directly on osteoblasts by promoting osteoblast maturation and OC synthesis. The multiple effects of vitamin D on bone are associated with a high expression of the vitamin D receptor in several types of bone cells.”6

• Researchers identified biomarkers for vitamin K status — The ratio of carboxylated osteocalcin (cOC) to undercarboxylated osteocalcin (ucOC) was used to assess functional vitamin K levels in the body. A lower cOC-to-ucOC ratio indicated an inadequate vitamin K status, which was associated with increased bone loss and a higher risk of hip fractures.

The biological mechanisms underlying these findings involve vitamin K’s role in activating proteins that regulate calcium placement in the body. By enabling osteocalcin and MGP to bind calcium effectively, vitamin K ensures that calcium is deposited in the bones rather than in the arteries or other soft tissues.

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How Does Vitamin K’s Influence Energy Metabolism and Blood Sugar Levels?

Another recent study published in the journal Nutrients explored the role of vitamin K in both bone health and energy metabolism.The research aimed to determine how vitamin K interacts with proteins involved in bone formation and how its deficiency could impact overall metabolic processes.7

• Vitamin K is essential for both bone integrity and metabolic health — The study focused on individuals with varying levels of vitamin K intake, analyzing their bone integrity and insulin sensitivity. Findings revealed that adequate vitamin K levels are essential for maintaining strong bones and regulating blood sugar levels, highlighting this nutrient’s importance in inhibiting conditions like osteoporosis and diabetes.

• Osteocalcin links vitamin K to both bone and glucose metabolism — Activated osteocalcin contributes to bone strength and influences how the body regulates insulin and blood sugar levels. This dual function means that vitamin K deficiency could lead to both weakened bones and impaired glucose metabolism, heightening the risk of developing diabetes.

“[V]itamin K deficiency in the bone results in a lower production of OC and a low serum level of OC, predisposing to a state of glucose intolerance and diabetes mellitus that may then enhance bone matrix deterioration via the production of cross-linked advanced glycation end products (AGE), which have been further associated with bone fractures after adjustment of confounders.

We believe that as a whole, vitamin K deficiency plays an important role in glucose metabolism, ultimately leading to a disturbance of bone quality,” the researchers reported.8

• Vitamin K prevents arterial calcification and cardiovascular disease — In addition to its effects on bone and energy metabolism, vitamin K was found to play a role in preventing the calcification of soft tissues, such as blood vessels. This prevents the hardening of arteries, which is a significant risk factor for cardiovascular diseases. The research emphasized that vitamin K ensures calcium is directed to the bones rather than accumulating in the arteries

• Uncarboxylated osteocalcin (ucOC) is a marker of vitamin K deficiency — The study identified specific markers for vitamin K deficiency, such as elevated levels of uncarboxylated osteocalcin (ucOC) in the blood. Monitoring these markers will help in early detection of vitamin K insufficiency, allowing for timely interventions to maintain bone density and metabolic health.

• Low vitamin K intake is linked to a higher risk of fractures — Individuals with low vitamin K intake were found to have a higher incidence of hip and vertebral fractures across different populations. The research underscored the importance of maintaining adequate vitamin K levels through diet or supplementation to significantly reduce the risk of such fractures.

Your Microbiome Also Influences Your Bone Health

In related news, a recent review published in the Gut Microbes journal explored how the gut microbiome, which is the community of microorganisms living in your intestines, works in collaboration with vitamin K2 to maintain strong and healthy bones, highlighting how these microorganisms contribute to bone density and the overall integrity of your skeletal system.9

• Gut bacteria naturally produce vitamin K2 — The research focused on understanding how variations in the gut microbiome affect the risk of developing bone-related conditions such as osteoporosis. It was found that certain beneficial gut bacteria species, like Bacteroides and Lactococcus lactis, produce vitamin K2 and help maintain adequate levels of this nutrient.

• Dysbiosis lowers vitamin K2 levels, weakening bones — One of the key findings was that disruptions in the gut microbiome, a condition known as dysbiosis, decreases your vitamin K2 production,10 compromising bone strength and increasing your risk of fractures and osteoporosis.

Vitamin K2 produced by gut bacteria activates proteins that are essential for bone formation and mineralization, and maintaining a balanced and healthy gut microbiome is essential for ensuring the proper synthesis of vitamin K2.

• Probiotics and prebiotics enhance bone health —The review also discussed the role of probiotics and prebiotics in enhancing bone health. Probiotics are live beneficial bacteria that are consumed through fermented foods or supplements, while prebiotics are non-digestible food ingredients that promote the growth of these healthy bacteria.11

Incorporating probiotics and prebiotics into your diet supports your gut microbiome, leading to increased production of vitamin K2 and improved bone density.

• The gut microbiome supports calcium and vitamin D absorption — The study also highlighted the interconnectedness between the gut microbiome and other aspects of bone metabolism, such as hormone regulation and immune system function.

Your gut bacteria influence the absorption of calcium and vitamin D as well, both of which are vital for bone health. Additionally, a healthy gut microbiome helps modulate the immune system, reducing inflammation that negatively impacts bone integrity.

• Antibiotics disrupt vitamin K2 production — The review also pointed out that antibiotic treatments, which disrupt the gut microbiome, lead to a significant reduction in vitamin K2 production.12 This not only affects bone health but also emphasizes the importance of being cautious when taking antibiotics, to preserve the beneficial bacteria responsible for maintaining bone integrity.

For a deeper dive into vitamin K’s role in bone and heart health, read “Vitamin K 101 — Essential Basics for Bone and Heart Health.”

Egg Yolks Are Your Best Source of Vitamin K2 as MK-4

Egg yolks are among the highest dietary sources of MK-4, a vital form of vitamin K2 that plays an important role in bone health, cardiovascular function and calcium regulation. Including egg yolks in your diet significantly contributes to your MK-4 intake, supporting various aspects of your health.

• Egg quality is important — You need to be careful about your egg sources as most commercial egg sources — even free-range organic — have high PUFA levels as they are fed grains like soy and corn.

• Chickens should be fed low-PUFA grains for optimal egg quality — Ideally, chickens should be fed rice, barley and split peas. I personally eat six egg yolks a day from chickens who are fed this and have 80% less linoleic acid than regular chickens.

Below is a comprehensive overview of egg yolks as a top source of MK-4, along with additional dietary sources and considerations.

summary table

Six Key Steps to Enhance Bone Health Through Vitamin K

To optimize your vitamin K levels and support optimal bone and overall health, consider the following recommendations:

1. Add more green leafy veggies into your diet — They are some of the best sources of vitamin K1. Collard and turnip greens, kale, spinach, broccoli, Brussels sprouts, cabbage and lettuces are good choices.13

2. Boost your natural vitamin K2 production — Enhance your body’s natural vitamin K2 levels by incorporating fermented foods such as natto and fermented vegetables cultivated with specific bacterial cultures. Additionally, consume grass fed animal products like egg yolks, liver and grass-fed dairy to support K2 production.

3. Optimize your vitamin K2 supplementation — Supplement with 180 to 200 micrograms of vitamin K2, ideally in the MK-7 form, daily, combined with 1,000 IU of vitamin D3 and 400 mg of magnesium. This combination ensures optimal absorption and effectiveness, working synergistically to strengthen bones while protecting against arterial calcification.

You should also time your vitamin K2 intake strategically. Take vitamin K2 supplements with your fattiest meal of the day since it’s fat-soluble. This maximizes absorption and allows vitamin K2 to activate osteocalcin. Consistent timing helps maintain steady levels of vitamin K2 for optimal bone and heart protection.

4. Balance key nutrient cofactors — Ensure sufficient intake of calcium, magnesium, vitamin D3 and vitamin K2 through both diet and supplementation. These nutrients collaborate to build and maintain bone density, promoting proper calcium utilization and bone matrix formation for optimal bone health.

5. Support your gut microbiome — Maintain a healthy intestinal environment to naturally boost vitamin K2 production. Focus on whole, unprocessed foods and consider targeted probiotic supplementation tailored to your microbiome.

6. Focus on bone-building exercises — Regular weight-bearing movement stimulates bone formation while K2 ensures proper calcium deposition. Walking, resistance training and bodyweight exercises work together with K2 to strengthen your skeleton. The combination reduces fracture risk far more than supplementation alone.

Frequently Asked Questions (FAQs) About Vitamin K and Bone Health

Q: What’s the main role of vitamin K in bone health?

A: Vitamin K helps direct calcium into bones, making them stronger and reducing the risk of fractures. It also prevents calcium from building up in arteries, which protects heart health.

Q: Do I need both vitamin K2 and vitamin D?

A: Yes, they work together. Vitamin D helps your body absorb calcium, and vitamin K2 ensures it gets used for bone-building instead of accumulating in arteries.

Q: Can vitamin K2 help prevent osteoporosis?

A: Studies show that vitamin K2 improves bone mineral density and lowers fracture risk by activating osteocalcin, a key protein for bone formation.

Q: How much vitamin K2 should I take daily?

A: For optimal bone and heart health, aim for 180 to 200 mcg of vitamin K2 (MK-7) daily. Taking it with a meal that contains healthy fats improves absorption.

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Posted by: | Posted on: March 9, 2025

Plyometric Exercises Help Older Adults Build Strength and Prevent Falls


Reproduced from original article:
https://articles.mercola.com/sites/articles/archive/2025/03/08/benefit-of-plyometric-exercises-for-adults.aspx

Analysis by Dr. Joseph Mercola     March 08, 2025

benefit of plyometric exercises for adults

STORY AT-A-GLANCE

  • Plyometric training, which includes jumping and hopping exercises, helps older adults improve muscle strength and balance, as well as bone density, reducing their risk of falls and fractures
  • Older adults who engage in supervised plyometric exercises experience significant improvements in lower-body power, making everyday movements like standing up and walking safer and easier
  • Even short-term plyometric training — lasting as little as four weeks — results in measurable gains in strength, agility and balance, with the most significant results seen in those who start with lower baseline strength
  • Upping the intensity of exercise stimulates bone growth by triggering your body’s natural bone-building processes, making plyometric training an effective way to combat osteoporosis and maintain skeletal health
  • When combined with resistance training, plyometric exercises provide the best overall benefits for muscle function and fall prevention, helping older adults maintain independence and mobility as they age

Plyometric exercises were originally practiced by athletes to improve their muscle strength and overall fitness.1 Interestingly, research has shown that these movements benefit older adults as well, who are at risk for mobility issues.

Age-related muscle loss, known as sarcopenia, is a primary reason why older adults struggle with mobility and experience an increased risk of falls. By the time someone reaches 70, they’ve already lost up to 30% of their muscle mass, which translates to weaker legs, slower reaction times and difficulty maintaining balance.2 Muscle loss, though often perceived as inevitable, directly impacts mobility, and is largely preventable.

When mobility decreases, everyday tasks like climbing stairs, getting up from a chair or walking on uneven ground become dangerous. Falls become more frequent, and once an older adult suffers a fracture — particularly at the hip — their risk of permanent disability or even death skyrockets.3

The good news is that plyometric exercises can significantly reduce these risks. They offer older adults a way to maintain muscle strength and prevent falls, in addition to other time-tested solutions such as weightlifting.4

Plyometric Training Is Safe and Effective for Older Adults

Writing for The Conversation, Justin Keogh from Bond University and Mandy Hagstrom from The University of South Wales compiled studies regarding plyometric exercises and their benefits to the general population, including fitness enthusiasts and young people.5

• Exploring the benefits of plyometric training for older adults — One notable systematic review, published in Sports Medicine, focused on older adults.6 In this study, researchers examined whether plyometric training — impact exercises that require generating large amounts of force in short periods7 — improve strength, balance and overall function in the elderly. They also assessed the safety of these exercises for this demographic.8

• The different plyometric exercises involved — The total population was 289 adults, both men and women between 58 and 79 years old. Some of them were healthy and others were diagnosed with osteopenia. The training programs ranged from four weeks to 12 months, and exercises varied from basic jumps to more complex movements such as bounding and box jumps.9

• Plyometric training, when done properly, are safe for older adults — Some interventions focused exclusively on plyometrics, while others combined them with strength or balance exercises. Despite the perceived risk of high-impact movements for older adults, none of the studies included in the review reported a higher incidence of injury, indicating that when done properly, these exercises are, in fact, safe to perform.10

The Benefits of Plyometric Training

The Sports Medicine review also found significant improvements in several key areas, most notably lower-body strength, power and balance.

• Stronger muscles — Participants who engaged in plyometric training experienced greater gains in muscle power compared to those performing traditional strength exercises. This means that not only did their muscles become stronger, but they were also able to generate force quicker — an essential ability for preventing falls and reacting to sudden balance changes.11

• Improved balance — Better balance was another major finding. Several studies within the review demonstrated that plyometric training enhanced postural stability, which refers to the body’s ability to maintain an upright position and prevent falls.

In particular, participants who included jumping exercises in their routine performed better on balance assessments such as the Berg Balance Test (a test used to determine an adult’s ability to balance their body12) and force plate measurements, compared to those who only did standard strength training or no exercise at all.

• It takes time for the benefits to appear — The timeline for improvement varied across studies, but some benefits emerged in as little as four weeks. In one study, older adults who performed plyometric exercises five times per week saw a 49% increase in hip extension strength within a month.13 Another study that lasted 12 weeks found that participants improved their jumping performance and agility by over 25%.14

• Guidance is important — Another notable finding was that supervised exercise programs led to better results than unsupervised ones. When exercises were performed under the guidance of a trainer or physical therapist, participants had higher gains in strength and balance, highlighting the importance of proper instruction, especially if you’ll be attempting plyometric movements.15

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Why Does Plyometric Training Work?

The reason plyometric exercises are so effective lies in how they activate your brain, muscles and bones in different ways.

• Your muscles stretch and contract — When you jump, land and immediately jump again, you engage what’s known as the “stretch-shortening cycle.” This is a process where muscles first lengthen (eccentric phase) and then rapidly contract (concentric phase), creating powerful movements. This rapid force production helps your muscles become more explosive and reactive — key qualities needed to prevent falls.16

• Your brain and body work together — In terms of balance, plyometrics force your body to stabilize during landing. Each jump challenges your neuromuscular system, requiring quick adjustments to maintain posture.

• Your spatial awareness improves — Over time, plyometric training improves proprioception — your body’s ability to sense its position in space — which translates to better stability in daily life.

According to the researchers, “As muscle spindles are stretched during plyometric training, a neuromuscular reflex likely occurs, which may activate higher threshold motor units that would normally not be used. Long-term exposure to such stimuli may decrease neuromuscular inhibition, which would likely result in greater muscle activity and, in turn, greater strength.”17

Another Benefit of Plyometric Exercises — Your Skeletal Health

Based on the research published, it’s clear that plyometric exercises promote stronger muscles. But they also have a positive impact on bone health. As people age, bone mineral density (BMD) declines due to various factors, leading to osteoporosis and an increased risk of fractures when falling.

• Exercise boosts BMD — This benefit was observed in a study published in the journal Bone. Here, researchers noted that postmenopausal women who engaged in moderate- and high-intensity exercise had improved hip and spinal bone density, which reduces their long-term risk of fractures.18

• Impact strengthens your bones — According to another study, the impact (such as leaping to a box) activates specialized cells in your body that trigger bone growth. As noted by the researchers, “From a mechanically centric point of view, activities that generate higher intensity or quicker loads (such as resistance training and leaping) are excellent for promoting bone health because they stimulate existing bone cells in a significant way.”19

Going deeper into the mechanisms linking exercise and BMD, impact exercises like jumping stimulate osteogenic processes, resulting in newer, tougher bone cells due to repeated impact. This explains why participants who engaged in consistent plyometric training for a year saw measurable improvements in bone mineral density, reducing their risk of fractures.20

The Basics (and Risks) of Plyometric Exercises

Whether you’ve been exercising regularly or just starting out, plyometric exercises are a good way to keep things interesting. Examples of plyometric exercises include:21

• Box jumps — Repeatedly leaping on and off a training box.

• Lateral skater hops — Moving side to side quickly like an ice skater.

• Medicine ball throws — Picking up and throwing a medicine ball against a wall or the ground.

• Single leg hops — Hopping on a single spot or through an obstacle course.

• Squat jumps — Squatting then jumping into the air repeatedly.

However, remember that these kinds of exercises cause your body to absorb more impact than usual. Done incorrectly, your risk of muscular or skeletal injury increases. For example, missing a landing could cause a sprain or muscle tear. To prevent injuries like these, I recommend working with a fitness trainer who specializes in this area — something the research also noted.

In addition to the tips mentioned above, The Conversation provides some basic guidelines to help you ease into plyometric exercises:22

  1. Start with one to three plyometric sessions weekly.
  2. Do five to 10 repetitions per set of your chosen plyometric exercise.
  3. Take a one- to three-minute rest period between sets to ensure complete muscle recovery.

Additional Tips to Maximize Plyometric Exercises and Prevent Injury

To maximize the benefits of plyometric exercises, here are some additional suggestions:

• Pair plyometrics with resistance training — Strength training builds muscle, while plyometric training enhances power and reaction time. Merging the two is an effective way to maintain your mobility to prevent falls. Once you’re able, try pairing squats with jump squats, or lunges with jumping lunges. This combination helps maintain both bone density and muscle responsiveness especially as you age.

• Don’t overdo it — You need to put some effort into plyometric exercises. As noted in another Bone study, “low-intensity exercise was not an effective stimulus to increase bone mass.”23

That said, you don’t want to overdo it. According to a study published in Aging and Disease, “Excessive high-intensity exercise does not benefit bone health but induces a high level of oxidative stress in the body, which has a negative impact on bone tissue.”24 The key word there is “excessive.” To maximize longevity benefits, keep high-intensity exercise like plyometrics to a max of 75 minutes per week and strength training to 40 minutes a week.

• Stay consistent and make exercising a habit — Your body responds to what you do regularly, not what you do once in a while. Aim for at least two to three sessions per week, including both resistance training and plyometrics. Over time, this will improve your strength, balance, and bone health, keeping you active and independent well into your later years.

Frequently Asked Questions on Plyometric Exercises

Q: Are plyometric exercises safe for older adults?

A: Yes, research shows that when done correctly, plyometric exercises are safe and effective for older adults. Research has found no increased injury risk when exercises are properly supervised and tailored to individual abilities. These exercises help improve muscle strength, balance and bone density, reducing the risk of falls and fractures.

Q: How do plyometric exercises help prevent falls in older adults?

A: Plyometric exercises improve lower-body strength, power and reaction time, which are essential for maintaining balance and preventing falls. They also enhance postural stability, proprioception (spatial awareness) and neuromuscular coordination, helping older adults react quickly to sudden balance changes.

Q: Can plyometric training improve bone health?

A: Yes, studies show that impact exercises like jumping stimulate bone growth by triggering osteogenic processes, leading to stronger bones. Postmenopausal women who engaged in plyometric training experienced improved bone mineral density in their hips and spine, reducing the risk of osteoporosis and fractures.

Q: What are some plyometric exercises recommended for older adults?

A: Some beginner-friendly plyometric exercises include:

• Box jumps – Leaping onto a sturdy box and stepping down.

• Lateral skater hops – Jumping side to side like an ice skater.

• Squat jumps – Squatting and jumping repeatedly.

• Medicine ball throws – Throwing a weighted ball against a wall or the ground.

• Single leg hops – Hopping on one foot to improve balance.

Q: How can older adults start plyometric training safely?

A: To begin safely, Start with one to three sessions per week with five to 10 repetitions per set. Remember to take one- to three-minute rest periods between sets for optimal recovery and avoid overtraining — limit high-intensity exercises to a total of 75 minutes per week.

In addition, combine plyometrics with resistance training for better muscle strength and mobility. If you don’t have a clue on how to begin, work with a fitness professional to learn proper form and minimize injury risk.

Posted in Age, Balance, Bones, Brain, Exercise, Muscle | No Comments »

Posted by: | Posted on: February 12, 2025

Vitamin K 101 — Essential Basics for Bone and Heart Health


Reproduced from original article:
https://articles.mercola.com/sites/articles/archive/2025/02/12/vitamin-k-bone-heart-health.aspx

Analysis by Dr. Joseph Mercola     February 12, 2025

vitamin k bone heart health

STORY AT-A-GLANCE

  • Vitamin K is a fat-soluble vitamin necessary for blood clotting, bone health and cardiovascular function. It exists in two main forms: K1 (phylloquinone) found in green leafy vegetables, and K2 (menaquinones) found in animal products and fermented foods
  • Vitamin K2 is essential for calcium metabolism, significantly impacting bone and cardiovascular health
  • Vitamin K2 works synergistically with vitamin D to enhance bone health and reduce the risk of osteoporosis. This combination ensures that calcium is properly utilized and deposited in bones rather than accumulating in arteries
  • Vitamin K2 is involved in activating proteins like osteocalcin and matrix Gla protein, which regulate calcium deposition in bones and arteries. This activation helps prevent arterial calcification and promotes bone strength
  • The intake of vitamin K2 is often insufficient in Western diets, highlighting the need for increased consumption through dietary adjustments or supplementation to support bone and heart health

Vitamin K is a fat-soluble vitamin known for its essential role in blood clotting. However, its functions extend far beyond coagulation, encompassing processes that maintain bone integrity and cardiovascular health. There are two primary forms of vitamin K: K1 (phylloquinone), predominantly found in green leafy vegetables, and K2 (menaquinones), which is present in animal products and fermented foods.

While both forms are important, vitamin K2 has garnered significant attention for its unique ability to regulate calcium metabolism, directing this mineral to where it’s needed most in your body. As such, it stands out for its pivotal role in enhancing bone density and preventing the calcification of arteries.

Without adequate vitamin K2, calcium accumulates in your arteries, increasing your risk of cardiovascular diseases. Conversely, insufficient calcium in your bones leads to osteoporosis, a condition characterized by weakened bones and an increased risk of fractures.

Despite its benefits, vitamin K2 is often under-consumed in Western diets, primarily due to the limited intake of fermented foods and certain animal products, combined with the overconsumption of processed foods. Certain medical conditions and medications also impair the absorption and metabolism of vitamin K2, increasing deficiency risks.

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Optimize Your Health with the Right Forms of Vitamin K

When it comes to maintaining optimal health, vitamin K often doesn’t get the spotlight it deserves. Understanding the different forms of vitamin K and their sources is essential to help you make informed decisions about your diet and supplementation.

Vegetable oils like soybean and canola are rich in vitamin K1, but relying on these oils is a dangerous choice for your overall energy and metabolic health. High intake of vegetable oils, which contain linoleic acid (LA), leads to impairments in mitochondrial energy production, which is essential for cellular function.

While conventional nutrition guidance encourages getting vitamin K1 from these oils, eliminating them from your diet is essential for optimal health. Therefore, diversifying your vitamin K intake from other sources is necessary.

Vitamin K2 offers additional health benefits that K1 does not. MK-7, a form of K2, is especially potent due to its longer half-life in your body, ensuring more consistent levels that support bone density and cardiovascular health. Unlike K1, which is quickly utilized by your liver, K2 travels to your bones and arteries, where it activates proteins that regulate calcium deposition.

This dual action helps prevent osteoporosis and reduces your risk of arterial calcification, a key factor in heart disease.

As for dosage, the European Food Safety Authority recommends an intake of 1 microgram per kilogram of body weight per day of total vitamin K, for both children and adults, including pregnant women.1 However, many experts suggest that higher doses of K2 may be beneficial, especially for those at risk of bone loss or cardiovascular issues.

Common supplementation ranges from 100 to 200 micrograms of MK-7 daily, which has been shown in studies to effectively improve bone mineral density (BMD) and reduce arterial stiffness without adverse effects. It’s important to note that while natural vitamin K supplements are generally safe, synthetic forms like vitamin K3 (menadione) are toxic in high doses and should be avoided.

Incorporating a balanced intake of both K1 and K2 through diet and, if necessary, supplementation supports your body’s needs without the drawbacks associated with excess vegetable oil consumption. Focus on leafy greens for K1 and fermented foods or high-quality supplements for K2 to harness the full spectrum of vitamin K’s health benefits.

Understanding Vitamin K Deficiency

Vitamin K deficiency manifests through symptoms primarily related to impaired blood clotting. You might notice spontaneous cutaneous purpura, which are purple spots on your skin caused by small blood vessels leaking under the surface. Epistaxis, or frequent nosebleeds, is another common indicator.

Additionally, you could experience gastrointestinal bleeding, genitourinary bleeding (i.e., blood in the urine, vaginal bleeding or bleeding from the urethra), gingival bleeding (bleeding gums) or other unexplained bleeding episodes. In addition to poor dietary intake, certain health conditions increase your risk of vitamin K deficiency by impeding your body’s ability to absorb or use vitamin K.

Liver diseases, such as cirrhosis or hepatitis, reduce your liver’s capacity to store and process vitamin K. Cholestasis, a condition where bile flow is reduced or blocked, also hinders vitamin K absorption since it’s a fat-soluble vitamin. Additionally, conditions like cystic fibrosis, alcoholism, and malabsorption disorders (including inflammatory bowel disease) also compromise your vitamin K levels.2

Weight loss surgeries that alter the digestive system also affect nutrient absorption, including vitamin K. So, if you’ve undergone such procedures, monitoring your vitamin K intake becomes essential. Certain drugs also interfere with vitamin K metabolism or absorption.

Coumarin-based anticoagulants, commonly prescribed to prevent blood clots, directly inhibit vitamin K’s role in blood clotting. Antibiotics like rifampicin disrupt gut bacteria that synthesize vitamin K2, further lowering your levels. Further, orlistat, a weight-loss medication, reduces fat absorption, which inadvertently decreases vitamin K absorption since it’s fat-soluble.3

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Vitamin K2 for Bone Health, Heart Disease and Cancer

A comprehensive review published in Food Science & Nutrition explored the extensive benefits of vitamin K2, particularly focusing on its impact on bone health, cardiovascular protection and cancer.4 The research looked at how different forms of vitamin K2 contribute to these health outcomes and sought to understand the underlying mechanisms.5

The researchers found that higher intake of vitamin K2 significantly lowers the risk of developing osteoporosis. Additionally, participants who consumed more vitamin K2 had a reduced incidence of heart disease, highlighting the nutrient’s protective role in cardiovascular health.6

One of the standout findings was the relationship between vitamin K2 and cancer. The study highlighted that vitamin K2 has positive effects on the prevention and treatment of malignant tumors, offering a promising avenue for future cancer prevention strategies.7

Furthermore, the research explored the synergistic relationship between vitamin K2 and vitamin D. When these two vitamins are consumed together, their combined effect on bone health is more pronounced than when either is taken alone. This synergy enhances your body’s ability to maintain strong bones by ensuring that calcium is properly used and deposited where it’s needed most.8

If you’re supplementing with vitamin D, it’s especially important to balance it with vitamin K2 and magnesium, as they work together to prevent inappropriate calcification.

Different Forms of Vitamin K2

The featured study also highlighted three different forms of vitamin K2 — MK-4, MK-7 and MK-9. Of these, MK-4 had the highest bioactivity, meaning it’s particularly effective at activating proteins that regulate calcium. MK-7, meanwhile, was noted for its superior bioavailability and longer half-life, allowing it to remain active in your body for extended periods.9 Natto, a traditional Japanese fermented soybean dish, is the richest source of MK-7.10

While the majority of vitamin K1 is stored in your liver, MK-4 is the primary form of vitamin K2 found in human tissues. This distinction indicates that different forms of vitamin K have specific roles and are stored differently within your body.11

Vitamin K2, as mentioned, is particularly involved in the maintenance of calcium homeostasis. Calcium homeostasis refers to the regulation of calcium levels in various biological pathways, ensuring that calcium is available where needed for functions like bone formation while preventing its accumulation in soft tissues and blood vessels.12

By directing calcium to your bones and teeth, vitamin K2 ensures that it’s used effectively, enhancing overall skeletal and cardiovascular health.13 Vitamin K2 achieves this by activating proteins such as osteocalcin and matrix GLA-protein (MGP). Osteocalcin plays a pivotal role in binding calcium to your bone matrix, thereby strengthening bones.

Meanwhile, MGP prevents the deposition of calcium in blood vessel walls, reducing the risk of vascular calcification and subsequent cardiovascular diseases.14 Additionally, vitamin K2 modulates the activity of osteoblasts and osteoclasts, the cells responsible for bone formation and resorption, respectively.

By downregulating the activation of nuclear factor-κB, a protein complex involved in inflammatory responses, vitamin K2 helps maintain a balanced activity of these bone cells, promoting bone health and preventing excessive bone loss.15

The study also touched upon the neuroprotective effects of vitamin K2. Specifically, MK-7 was shown to protect brain cells from apoptosis, or programmed cell death, induced by hypoxic conditions. This finding opens up therapeutic applications for vitamin K2 in treating neurodegenerative diseases and other mitochondrial-associated disorders.16

Vitamin K2’s Role in Mitochondrial Energy Production

Vitamin K2 exhibits a broad spectrum of biological activities, influencing nearly all major body systems, including mitochondrial energy release. Mitochondria are responsible for producing adenosine triphosphate (ATP) through the electron transport chain.

Vitamin K2, which is structurally similar to coenzyme Q10 (CoQ10), plays a role in mitochondrial energy metabolism.17 Studies have shown that vitamin K2 acts as a mitochondrial electron carrier, rescuing mitochondrial dysfunction caused by Pink1 protein deficiency, which is linked to Parkinson’s disease.18 Vitamin K2 facilitates electron transport within mitochondria, thereby enhancing ATP production and improving cellular energy levels.

However, conflicting evidence exists regarding vitamin K2’s role in mammalian mitochondrial function. While some studies suggest beneficial effects on mitochondrial respiration and energy release, others indicate that vitamin K2 does not substitute for CoQ10 in restoring electron flow or ATP synthesis in CoQ10-deficient cells. This discrepancy highlights the need for further research to uncover vitamin K2’s exact role in mitochondrial energy metabolism across different species.

Vitamin K for Optimal Health During Menopause

Menopause induces significant hormonal and physiological changes, contributing to conditions such as osteoporosis, osteopenia and increased vascular calcification. Vitamin K2 has been extensively studied for its beneficial effects in mitigating these menopausal effects.

Clinical trials have demonstrated that vitamin K2 supplementation, particularly in the forms of menaquinone-4 (MK-4) and MK-7, improves bone mineral density (BMD) and bone mineral content (BMC) in postmenopausal women.19

For instance, a meta-analysis of randomized controlled trials revealed that daily intake of MK-4 for three years enhanced hip bone geometry and strength by increasing BMC without significantly altering BMD.20 Additionally, MK-7 supplementation has shown to synergize with calcium and vitamin D3, further supporting bone health by increasing osteocalcin carboxylation and reducing bone resorption markers.21

Vitamin K Has Neuroprotective Properties and Protects Your Liver

Beyond its menopausal benefits, vitamin K2 demonstrates significant hepatoprotective and neuroprotective properties, contributing to liver regeneration and cognitive health. In liver health, vitamin K2 supplementation has been shown to enhance liver regeneration following liver surgery in rat models.22

Additionally, vitamin K2 exhibits cytotoxic effects on liver cancer cells by inducing cell cycle arrest and apoptosis through multiple signaling pathways, including the suppression of NF-κB and MAPK activities.23

Further, vitamin K supports cognitive function and neuronal health. Studies in rodent models have linked adequate vitamin K2 levels with improved cognitive performance and reduced neuroinflammation. Vitamin K2 activates the Gas6/Axl/Akt signaling pathway, which inhibits apoptosis and enhances neuronal survival.24

Moreover, vitamin K2 protects neural cells from oxidative stress and amyloid-beta toxicity, factors implicated in Alzheimer’s disease.25 These neuroprotective mechanisms underscore vitamin K2’s role in preventing and managing neurodegenerative diseases.

Vitamin K for the Treatment of COVID-19

Emerging research also suggests that vitamin K2 may play a role in mitigating the severity of COVID-19. COVID-19 is associated with coagulopathies and excessive inflammation, conditions where vitamin K2’s regulatory functions on coagulation and inflammation are likely beneficial. Observational studies have indicated that vitamin K deficiency is linked to increased disease severity and mortality in COVID-19 patients.26

Vitamin K2 may help in activating vitamin K-dependent proteins like MGP and Protein S, which are key for preventing vascular calcification and thrombosis, common complications in severe COVID-19 cases.27 Furthermore, vitamin K2’s anti-inflammatory properties help in reducing the cytokine storm associated with acute COVID-19, thereby improving patient outcomes.

Vitamin K for Parathyroid Disorders and Cerebral Palsy

A review published in the journal Nutrients also highlighted the impact of vitamin K2 on multiple health conditions. Beyond osteoporosis and cardiovascular disease, studies have shown that adequate vitamin K2 intake positively influences parathyroid disorders, cerebral palsy and sperm motility, suggesting its broad therapeutic potential.28 These findings emphasize the need for optimizing vitamin K2 in the diet to maintain overall health.

Parathyroid disorders, particularly hyperparathyroidism, involve the excessive secretion of parathyroid hormone (PTH), leading to elevated serum calcium levels (hypercalcemia) and subsequent bone resorption. Vitamin K2 plays a role in calcium metabolism, which directly impacts parathyroid function.

Further, researchers demonstrated that vitamin K2 supplementation in hemodialysis patients, who often suffer from secondary hyperparathyroidism, resulted in increased levels of carboxylated osteocalcin without significantly altering PTH, calcium or phosphate levels. This suggests that vitamin K2 mitigates the adverse effects of elevated PTH by enhancing bone mineralization and reducing calcium loss from bones.29

Moreover, vitamin K2’s activation of MGP inhibits vascular calcification, a common complication in hyperparathyroid patients. By preventing the inappropriate deposition of calcium in blood vessels, vitamin K2 indirectly supports parathyroid health by maintaining balanced calcium distribution within the body.

Although vitamin K2 does not directly lower PTH levels, its role in optimizing calcium metabolism offers a complementary approach to managing parathyroid disorders alongside conventional treatments.

Cerebral palsy (CP) is a group of neurological disorders that affect movement, muscle tone and posture, often resulting in decreased BMD and increased fracture risk. Osteoporosis is prevalent among individuals with CP due to reduced mobility and subsequent bone resorption. According to researchers, vitamin K2 supplementation could play a significant role in improving bone health in CP patients.30

Additionally, vitamin K2’s role in regulating bone remodeling also supports overall skeletal integrity in individuals with CP. While direct studies on vitamin K2 and CP are limited, the existing evidence on its impact on bone health provides a compelling rationale for its inclusion in therapeutic regimens aimed at mitigating osteoporosis in CP patients.

Vitamin K Enhances Sperm Motility

Sperm motility is a critical factor in male fertility, governed by the functionality of calcium channels and the integrity of spermatozoa. Vitamin K2 has been implicated in enhancing sperm motility through its involvement in calcium metabolism and the maturation of sperm cells.

Researchers investigated the effects of vitamin K2 on sperm maturation, revealing that K2-dependent proteins are highly expressed in the epididymis, the site of sperm maturation. Warfarin-induced inhibition of vitamin K2 activity resulted in decreased sperm count and motility, underscoring the vitamin’s essential role in maintaining sperm health.31

Vitamin K-Dependent Proteins in Biomineralization

Research published in the International Journal of Molecular Medicine focused on the role of vitamin K in the activation of proteins essential for bone and vascular health, emphasizing its involvement in biomineralization processes.32 The research underscored the importance of vitamin K in the post-translational modification of vitamin K-dependent proteins (VKDPs), which are primarily involved in coagulation and calcification.33

There are 17 identified VKDPs, which include osteocalcin and MGP. Osteocalcin, synthesized by osteoblasts, requires vitamin K for carboxylation, converting glutamic acid residues to gamma-carboxyglutamate (Gla) residues.34 This conversion enhances osteocalcin’s calcium-binding capacity, thereby reinforcing bone structure.35

Without sufficient vitamin K, osteocalcin remains undercarboxylated, reducing its effectiveness in supporting bone health.36 Similarly, MGP gains a higher affinity for calcium upon carboxylation, which prevents its deposition in arterial walls, thereby lowering the risk of cardiovascular diseases like atherosclerosis.37

The study highlights that inadequate vitamin K levels impair MGP’s ability to prevent calcium accumulation, leading to arterial calcification and increased cardiovascular risk.38 Additionally, the study clarified the distinct functions of vitamin K1 and K2, with vitamin K1 playing a major role in coagulation, while vitamin K2 is more prevalent in tissues other than the liver.39

The review also addressed the absorption and transport pathways of vitamin K1 and K2, noting that vitamin K1 is absorbed with triglyceride-rich lipoproteins, while vitamin K2 is primarily transported by low-density lipoproteins (LDL).40 This difference in transport mechanisms influences the distribution and bioavailability of each vitamin K form in your body.41

The Interplay Between Lipids and Vitamin K Metabolism

A review published in Nutrition & Metabolism further explored the intricate relationship between lipids and vitamin K metabolism, specifically focusing on how lipid levels affect the absorption and transportation of vitamin K within the body.42

The paper reviewed data from individuals with varying lipid profiles and those undergoing treatment with cholesterol-lowering medications such as statins. The findings revealed that vitamin K absorption and transportation are significantly influenced by the presence of lipids in the digestive system, underscoring the importance of adequate dietary fat intake for the optimal utilization of vitamin K.43

Vitamin K shares transporters with cholesterol, meaning that both substances compete for the same pathways within your body. This competition impacts the efficiency with which vitamin K is distributed to essential tissues.

The study also explored the role of lipoproteins, which are particles that transport fats, including cholesterol and triglycerides, through the bloodstream. It was found that low-density lipoproteins (LDL), often referred to as “bad cholesterol,” play an important role in transporting vitamin K2 to tissues such as bones and blood vessels.44

Furthermore, statins inhibit the mevalonate pathway, a biochemical pathway that’s involved not only in cholesterol synthesis but also in the production of vitamin K2 isoforms like MK-4. By blocking this pathway, statins reduce the synthesis of vitamin K2, compromising its protective roles in your body.45

For this reason, individuals taking statins benefit from vitamin K2 supplementation to counteract this adverse effect. Moreover, the interplay between lipids and vitamin K metabolism extends to dietary recommendations. Diets that include healthy fats, such as butter and coconut oil, enhance the absorption of vitamin K, improving its bioavailability and efficacy in your body.

Remember, vitamin K is a lipophilic vitamin, meaning it dissolves in fats and is transported through your body via lipid-based carriers. This characteristic necessitates the presence of dietary fats for effective absorption in your small intestine. Once absorbed, vitamin K is packaged into lipoproteins for distribution to various tissues. The efficiency of this process is directly tied to your body’s lipid metabolism, illustrating the interconnectedness of these two important components.46

Vitamin K and Its Impact on Other Nutrients

Understanding how vitamin K interacts with other nutrients is also helpful for optimizing your health and ensuring that you’re getting the most out of your dietary intake and supplements. Insights from pharmacokinetic studies highlight the intricate relationships between vitamin K and other vitamins, particularly those that deplete or compete for its absorption and metabolism.47

One of the most significant interactions involves vitamin K and vitamin E, a powerful antioxidant essential for protecting your cells from oxidative stress. Both are fat-soluble vitamins that share similar metabolic pathways, leading to competition that affects their respective levels in your body. Studies have shown that the presence of vitamin E, as well as other fat-soluble vitamins, significantly reduces the absorption of vitamin K, with absorption rates dropping by 34% to 58%.48

The competition arises because vitamins E and K vie for the same enzymes involved in their metabolism. Specifically, both vitamins compete for cytochrome P450 (CYP450) enzymes, which are responsible for hydroxylating the side chains of these vitamins.49 This competition leads to increased metabolism and excretion of vitamin K when vitamin E levels are high, diminishing vitamin K’s effectiveness in your body.

So, if you’re supplementing with vitamin E, it’s important to monitor your vitamin K intake to prevent deficiencies. For instance, individuals taking high doses of vitamin E supplements might inadvertently reduce their vitamin K levels, increasing the risk of bleeding disorders and bone weakening. To maintain a healthy balance, consider spacing out the intake of these vitamins or consulting with a health care professional to adjust dosages appropriately.

How to Optimize Your Vitamin K2 Levels

Vitamin K2 serves as the body’s master regulator for calcium distribution, ensuring this essential mineral is directed appropriately to support bone strength and prevent arterial calcification. By optimizing your vitamin K2 levels, you enhance bone integrity while safeguarding your cardiovascular health, providing a dual advantage for long-term well-being.

Determining whether you’re getting enough vitamin K is challenging because there’s currently no simple test available to measure vitamin K2 levels directly. Instead, vitamin K2 status is assessed indirectly by evaluating levels of undercarboxylated osteocalcin, a marker that indicates vitamin K2 activity in your body. However, this type of testing is not yet available for commercial use.

Generally, individuals with osteoporosis, heart disease or diabetes are likely to have a vitamin K2 deficiency. If you’re taking statin medications, which are known to reduce vitamin K2 levels, you’re also at risk of deficiency. Moreover, it’s believed that most people do not get enough vitamin K2 and could benefit from increasing their intake. To boost your levels:

1. Prioritize vitamin K2-rich foods — Incorporate natto (fermented soybeans) and other vegetables fermented with vitamin K2-producing bacteria into your daily diet. These options provide the MK-7 form of K2, which remains active in your body for extended periods.

Certain cheeses, including Brie, Munster and Gouda, are also particularly rich in vitamin K2. Grass fed organic animal products, including egg yolks, liver, butter, tallow and dairy products, are also good sources of vitamin K2.

2. Align K2 intake with healthy fats — As vitamin K2 is fat-soluble, it should be consumed alongside healthy fats such as grass fed butter or tallow to enhance absorption. This practice ensures that your body effectively utilizes this nutrient for maintaining both bone density and cardiovascular health.

3. Harmonize K2 with complementary nutrients — Vitamin K2 works synergistically with vitamins D3, calcium and magnesium. When supplementing with vitamin D3, also include K2 to prevent calcium from depositing in your arteries. This balanced nutrient approach promotes bone strength while protecting your cardiovascular system.

4. Opt for premium supplement sources — If you choose to use supplements, select those containing the MK-7 form of K2. The recommended daily intake is 150 to 200 micrograms for most adults. For optimal absorption, take supplements with meals that include healthy fats.

Egg Yolks Are Your Best Source of Vitamin K2 as MK-4

Of the foods highlighted above, egg yolks are among the highest dietary sources of MK-4, a vital form of vitamin K2 that plays a crucial role in bone health, cardiovascular function and calcium regulation. Including egg yolks in your diet can significantly contribute to your MK-4 intake, supporting various aspects of your health.

You just need to be careful about your egg sources as most commercial egg sources — even free-range organic — have high PUFA levels as they are fed grains like soy and corn. Ideally, chickens should be fed rice, barley and split peas. I personally eat six egg yolks a day from chickens who are fed this and have 80% less linoleic acid than regular chickens.

Below is a comprehensive overview of egg yolks as a top source of MK-4, along with additional dietary sources and considerations.

summary table

– Sources and References

Posted in Bones, Brain, Cancer, Cerebral Palsy, Coronavirus, Fat, Fertility, Heart, Liver, Menopause, Mitochondria, Vitamins | No Comments »

Posted by: | Posted on: January 16, 2025

High Iron Levels Threaten Bone Health and Increase Fracture Risk


Reproduced from original article:
https://articles.mercola.com/sites/articles/archive/2025/01/16/high-iron-levels-bone-health.aspx

Analysis by Dr. Joseph Mercola     January 16, 2025

high iron levels bone health

Story at-a-glance

  • High iron levels, particularly serum ferritin above 1,000 µg/L, significantly increase the risk of fractures, with vertebral fractures being most common. Managing iron levels is key to reducing this risk
  • Both iron overload and deficiency weaken bones. Excess iron promotes osteoclast activity, leading to bone resorption, while insufficient iron impairs osteoblast function, disrupting bone formation
  • Elevated iron levels adversely affect bone microarchitecture, compromising bone strength and increasing fracture susceptibility
  • Excess iron leads to the production of reactive oxygen species, causing oxidative stress that damages bone cells and disrupts their function, further weakening bones
  • If your ferritin levels are high, establish a regular blood donation schedule of two to four times per year to effectively remove excess iron from your body

Iron overload, often abbreviated as IO, presents a significant risk factor for fractures. Conventional treatments for IO, such as phlebotomy and iron chelation therapy, aim to reduce iron levels but come with their own set of challenges. Phlebotomy, for instance, involves regular blood removal, which is inconvenient and uncomfortable for patients. Iron chelation therapy, while effective, leads to side effects like gastrointestinal disturbances and kidney issues.

The underlying causes of IO are diverse and complex. Hereditary hemochromatosis (HH) is a genetic disorder that leads to excessive iron absorption from the diet. Other conditions, such as thalassemia and sickle cell disease, also result in iron overload due to frequent blood transfusions.

Chronic liver diseases, including hepatitis C and nonalcoholic fatty liver disease, contribute to elevated iron levels as well. Additionally, postmenopausal women may experience increased iron stores due to hormonal changes. These underlying causes disrupt your body’s iron regulation, leading to IO.

In HH, mutations in the HFE gene cause the body to absorb more iron than needed, resulting in accumulation in organs like the liver and heart. In thalassemia and sickle cell disease, repeated blood transfusions introduce excess iron, which the body cannot excrete efficiently. Chronic liver diseases impair the liver’s ability to produce hepcidin, a hormone that regulates iron balance, further exacerbating iron accumulation.

Diagnosing IO is challenging due to the variability in symptoms and the overlap with other conditions. Many individuals with IO remain undiagnosed until significant organ damage occurs.

Iron Overload Significantly Increases Fracture Risk

A population-based matched cohort study investigated the relationship between iron overload disorders and the risk of bone fractures, aiming to determine whether elevated iron levels significantly increase the likelihood of fractures among affected individuals.1

The study included 20,264 patients diagnosed with iron overload and 192,956 matched control participants. The population consisted of adults over 18 years old, with an average age of 57, and approximately 40% were female. The findings revealed a 55% increased risk of fractures among patients with iron overload, with the highest risk observed for vertebral fractures.2

Specifically, patients with serum ferritin levels exceeding 1,000 µg/L, a marker indicating high iron in the blood, had a 91% increased risk of any fracture and a 2.5-fold increased risk of vertebral fractures.3 Notably, the study found no elevated fracture risk among patients without high serum ferritin levels. Additionally, the risk was consistent across both males and females, indicating that iron overload affects fracture risk similarly regardless of sex.4

One of the key biological mechanisms identified is that iron overload adversely affects both bone quantity and the microarchitecture — the tiny structures that make up bone. This deterioration compromises bone strength, making fractures more likely.5 The study underscores the importance of monitoring serum ferritin levels as an indicator of fracture risk, especially in individuals with laboratory-confirmed iron overload.6

Moreover, the research highlighted that hereditary hemochromatosis, thalassemia major and sickle cell anemia are significant contributors to iron accumulation in the body. These inherited blood disorders disrupt iron regulation, leading to excessive iron storage and subsequent bone health issues.7

In fact, decreased bone mineral density was observed in over 70% of adults with sickle cell disease and over 60% of adult thalassemia patients.8 Addressing iron overload effectively therefore helps preserve bone integrity and reduce the incidence of fractures in this vulnerable population.

Iron’s Dual Impact on Bone Health

A review published in the journal Pharmaceuticals further explored how different levels of iron in the body influence bone health, particularly focusing on the roles of osteoclasts and osteoblasts — the cells responsible for breaking down and building up bone, respectively.

The researchers aimed to understand whether having too much or too little iron could disrupt the balance between these two types of cells, ultimately affecting bone strength and increasing the risk of fractures.9 The review examined individuals with various iron-related conditions, including hereditary hemochromatosis, thalassemias and sickle cell disease.

A significant percentage of patients with these iron overload disorders exhibited decreased bone mass and an increased likelihood of bone fractures.10 However, the findings revealed that both high and low iron levels negatively impact bone mineral density, leading to conditions like osteoporosis and osteopenia.

Delving deeper, the research highlighted that excess iron promotes the activity of osteoclasts, the cells that resorb or break down bone tissue. This heightened osteoclast activity accelerates bone loss, weakening the skeletal structure and making bones more susceptible to fractures.

On the flip side, insufficient iron levels also disrupt bone health by impairing the function of osteoblasts, the cells responsible for bone formation. This dual disruption further exacerbates the risk of developing osteoporosis and other bone-related issues.11 The study also uncovered that elevated iron levels lead to the production of reactive oxygen species (ROS), which are chemically reactive molecules containing oxygen.

ROS contribute to oxidative stress, damaging bone cells and impairing their ability to function correctly. This oxidative stress not only hampers the formation of new bone by osteoblasts but also encourages the breakdown of existing bone by osteoclasts, creating a vicious cycle of bone deterioration.12

Biologically, the mechanisms by which iron affects bone health are intricate. Excess iron interferes with the differentiation and activity of osteoblasts by downregulating key genes like Runx2, which are essential for bone formation. Additionally, high iron levels enhance osteoclastogenesis — the formation of more osteoclasts — through pathways involving ROS and NF-κB signaling.

These processes collectively lead to increased bone resorption and decreased bone formation, undermining bone integrity and strength.13

In summary, maintaining balanced iron levels is necessary for bone health. Both iron overload and deficiency disrupt the delicate equilibrium between bone resorption and formation, leading to weakened bones and a higher risk of fractures. Understanding these mechanisms underscores the importance of monitoring and managing iron levels to preserve bone strength and prevent osteoporosis.14

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Simple Steps to Reduce Iron Overload and Protect Your Bones

Iron overload wreaks havoc on your bone health by disrupting the delicate balance between bone formation and breakdown. The good news? You have the power to address this issue through straightforward lifestyle changes that make a real difference in protecting your skeletal system. Here are four powerful ways to get your iron levels under control:

1. Get your iron levels tested regularly — You can have your iron levels checked using a simple blood test called a serum ferritin test. I believe this is one of the most important tests that everyone should have done on a regular basis as part of a preventive, proactive health screen.

You want your ferritin level below 100 ng/mL, however the ideal range is 20 to 40 ng/mL. Below 20 ng/mL is an indicator that you are iron deficient. Aside from a serum ferritin test, a gamma-glutamyl transpeptidase (GGT) test is another screening marker for excess free iron and is a great indicator of your risk for sudden cardiac death, insulin resistance and cardiometabolic disease.

2. Donate blood to lower excess iron — Your body has a limited capacity to excrete iron, so it can easily build up in organs like your liver, heart and pancreas. This is dangerous because iron is a potent oxidizer that damages your tissues and contributes to a variety of health problems, including cancer.

If your ferritin levels are high, establish a regular blood donation schedule of two to four times per year. This natural approach effectively removes excess iron from your body since blood loss remains the only way your body eliminates iron. Your contributions help others while protecting your bone health.

You can also remove blood in smaller amounts once a month according to the schedule below. If you have congestive heart failure or severe COPD, you should discuss this with your doctor, but otherwise this is a fairly appropriate recommendation for most. If, for some reason, a blood donor center is unable to accept your blood for donation, you can obtain a prescription for therapeutic phlebotomy.

Men Postmenopausal Women Premenopausal Women
150 ml 100 ml 50 ml

3. Monitor your diet — Avoid cooking in iron pots and pans, limit alcohol consumption, which increases iron absorption, and be cautious with iron-fortified processed foods. If you drink well water, install an iron precipitator or reverse osmosis filter to reduce iron exposure.

4. Optimize your calcium and copper intake — Adequate calcium intake reduces iron overload naturally. Focus on getting calcium from whole food sources rather than supplements. When calcium levels are low, your body releases more parathyroid hormone (PTH), which not only dissolves bone but also increases iron storage. Breaking this cycle through proper calcium nutrition helps protect both your bones and overall health.

Iron and copper are also highly interdependent and need to be considered together. Iron overload along with copper deficiency is a dangerous combination. Most people are deficient in copper and need more in order for their iron metabolism to function properly.

Depending on your copper levels, you may need to take up to 3 milligrams (mg) to 4 mg of copper bisglycinate per day, or eat copper-rich foods, such as bee pollen, grass fed beef liver and acerola cherry.

Acerola cherry is very high in vitamin C, which contains copper-rich tyrosinase enzyme. Retinol, which makes copper bioavailable, is also important. It’s found in beef liver and beef organs.

– Sources and References

Posted in Bones, Ferritin, Iron, Osteoporosis, Women | No Comments »

Posted by: | Posted on: December 24, 2024

The Role of Vitamin D Deficiency in Mental Illness


Reproduced from original article:
https://articles.mercola.com/sites/articles/archive/2024/12/23/vitamin-d-deficiency-mental-illness.aspx

Analysis by Dr. Joseph Mercola     December 23, 2024

STORY AT-A-GLANCE

  • Vitamin D receptors exist throughout your brain, affecting mental health by regulating neurotransmitters and reducing inflammation. Deficiency is linked to depression, anxiety and psychosis
  • Mental health patients show higher rates of vitamin D deficiency, caused by reduced sun exposure, obesity and other factors
  • Studies show vitamin D supplementation improves depression symptoms, particularly in elderly and adolescent patients. Optimal blood levels range from 60 to 80 ng/mL
  • Safe sun exposure remains the best source of vitamin D, but those consuming seed oils should wait four to six months after elimination before increasing sun exposure; if regular sun exposure isn’t feasible, vitamin D supplementation may be necessary
  • Protective strategies for safe sun exposure include taking astaxanthin (12 mg daily), using niacinamide cream, pre-exposure baby aspirin and molecular hydrogen supplementation

Vitamin D receptors are not just limited to your skeletal system for bone health — they’re also present in various brain regions like your hippocampus, substantia nigra and cerebellum.

This hints at vitamin D’s key role in neurological development and the functioning of your nervous system. When your body lacks sufficient vitamin D, it disrupts neurotransmitter release, affects neurotrophic factors and impairs neuroprotection.1

These disruptions are linked to mood and behavioral changes, contributing to psychiatric conditions such as depression, anxiety and even psychosis. Moreover, vitamin D helps modulate inflammation, which is often elevated in mental health disorders. This is why optimizing your vitamin D levels is important for both physical health and maintaining your mental well-being.

Vitamin D Deficiency and Its Prevalence in Mental Health Conditions

Vitamin D deficiency is common, affecting over half of the global population regardless of age or ethnicity.2 For individuals battling psychiatric disorders, the rates of deficiency are even higher. Studies indicate that psychiatric patients often have lower vitamin D levels compared to the general population.

Factors contributing to this deficiency include reduced sunlight exposure due to time spent indoors, poor dietary intake and obesity, which sequesters vitamin D in fat tissues. Additionally, certain psychiatric medications lead to weight gain, further complicating vitamin D status.3

This widespread deficiency is concerning because low levels of vitamin D have been linked to a higher incidence of various mental health issues, including depression, schizophrenia and anxiety disorders4 — each affected in unique ways.

In depression, low vitamin D levels are associated with increased symptoms and a higher risk of developing the disorder. Vitamin D may protect the hippocampus during stress-related dysregulation and support the release of dopamine, a neurotransmitter involved in mood regulation.5

Schizophrenia, a chronic mental health disorder characterized by distorted thinking and perceptions, is another area of interest concerning vitamin D’s benefits. Research reveals a high prevalence of vitamin D deficiency among individuals with schizophrenia, particularly those experiencing acute episodes.6

Some studies have also found a strong association between low vitamin D levels and the severity of schizophrenia symptoms, suggesting that vitamin D could play a role in cognitive function and neuroprotection.7 In psychotic spectrum diseases like schizophrenia, deficiency is often linked to poorer outcomes and increased symptom severity, due to reduced neuroprotection and impaired neurotransmission.

The Impact of Vitamin D on Specific Mental Health Conditions

Neurodevelopmental disorders, including autism and attention-deficit hyperactivity disorder (ADHD), also show significant correlations with vitamin D levels, where supplementation has been found to improve behavioral and cognitive symptoms.8

Some research also indicates that individuals with bipolar disorder often exhibit lower levels of vitamin D compared to those without the condition. For instance, higher levels of vitamin D binding protein have been observed in bipolar patients, suggesting a link between vitamin D metabolism and mood regulation.9

Additionally, vitamin D plays a role in sleep-wake disorders, where deficiency disrupts circadian rhythms and leads to poor sleep quality.10 Optimizing vitamin D levels is therefore a promising therapeutic strategy for many mental health conditions. Studies have shown that vitamin D supplementation leads to improvements in depressive symptoms, particularly in individuals with existing deficiencies.

For instance, elderly patients with depression, adolescents and those recovering from acute illnesses have all benefited from increased vitamin D intake. In the context of schizophrenia, adding vitamin D to standard antipsychotic treatments has been linked to better cognitive outcomes and reduced symptom severity.11

Neuroinflammation, the inflammation of the nervous tissue, plays a role in many neurological and mental disorders, including traumatic brain injury, Alzheimer’s disease and vascular dementia. Vitamin D has emerged as a promising agent in combating neuroinflammation due to its anti-inflammatory and immunomodulatory properties.12

Animal studies, such as those conducted on rats with traumatic brain injury, have also demonstrated that vitamin D supplementation shifts microglial cells toward an anti-inflammatory state, reducing brain edema and protecting the blood-brain barrier.

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Vitamin D Helps Relieve Depression and Anxiety

A meta-analysis published in the Journal of Affective Disorders explored the effectiveness of vitamin D supplementation in managing primary depression.13 The study reviewed 18 randomized controlled trials to assess whether vitamin D alleviates depressive symptoms in adults. The findings revealed a significant overall reduction in depression scores among those who received vitamin D supplements compared to those who received a placebo.

Notably, the benefits were more pronounced in individuals with baseline vitamin D levels exceeding 20 ng/mL, where the reduction in depressive symptoms was substantial. This suggests that higher levels of vitamin D may be necessary to achieve meaningful improvements in depression.

A study published in The American Journal of Geriatric Psychiatry also revealed a compelling association between vitamin D deficiency and increased depressive symptoms in older adults.14 The study analyzed data from 299 participants, with over 60% classified as either vitamin D deficient or insufficient.

These individuals exhibited higher scores on the Geriatric Depression Scale, particularly in the dysphoria and meaninglessness subdomains. This negative correlation suggests that lower vitamin D levels are directly linked to heightened feelings of sadness, hopelessness and a lack of purpose — core elements of depression. Notably, the study found that higher vitamin D sufficiency levels, nearing 95.5 ng/mL, were associated with minimal to no depressive symptoms.

These results underscore the crucial role that adequate vitamin D plays in maintaining mental health, highlighting the potential of VD supplementation as a strategic intervention to alleviate depressive symptoms in older populations. Anxiety disorders, much like depression, significantly impact your daily life and overall well-being.

Separate research highlights that low vitamin D levels are not only associated with increased symptoms of depression but also with heightened anxiety.15 Vitamin D’s antioxidant and anti-inflammatory properties play a role in mitigating the oxidative stress and inflammation that are key players in the pathophysiology of anxiety disorders.

Brain regions such as the prefrontal cortex and hippocampus, which are involved in regulating mood and anxiety, contain vitamin D receptors and the enzyme necessary for activating vitamin D. This suggests that adequate vitamin D levels are essential for maintaining the health and functionality of these brain areas. Supplementing with vitamin D has also been found to help reduce anxiety symptoms.16

Maximizing the Benefits of Sunlight for Vitamin D Production

While vitamin D supplements are widely available, sunlight remains the gold standard for vitamin D synthesis in your body. Beyond just vitamin D production, sun exposure offers additional health advantages. In fact, elevated vitamin D levels often indicate healthy sun exposure, which may explain many of the health benefits traditionally attributed to vitamin D alone, including reduced mental health benefits, cancer risk and enhanced longevity.

One important factor that’s often overlooked in sun exposure discussions, however, is the impact of dietary oils, particularly seed oils. If you regularly consume seed oils, you’ll need to exercise extra caution with sun exposure. These oils contain high amounts of linoleic acid (LA), which becomes problematic when exposed to ultraviolet radiation. The interaction between sunlight and LA-rich skin triggers inflammation and DNA damage.

For this reason, it’s advisable to limit sun exposure to earlier in the morning or later in the afternoon if you’ve been consuming these oils regularly. A safe approach is to wait four to six months after eliminating these oils from your diet before increasing sun exposure. Several personal characteristics also influence how your body tolerates and responds to sunlight:

• Skin pigmentation — Melanin serves as a natural sunscreen. People with darker skin need longer sun exposure to produce the same amount of vitamin D as those with lighter skin.

• Body composition — Fat tissue stores fat-soluble compounds, including oxidized seed oils. Those with higher body fat percentages may need to be more cautious, as stored oils extend the risk period even after dietary changes.

Guidelines for Safe Sun Exposure

The simplest way to gauge appropriate sun exposure is the “sunburn test.” Monitor your skin for any signs of redness. If you don’t notice even slight pinkness, you’re likely within a safe exposure range. Always avoid sunburn, as it indicates damage. As you reduce LA stores in your body, your susceptibility to sunburn and skin cancer decreases significantly.

These recommendations account for both optimal vitamin D production and protection against oxidative stress while your body eliminates stored LA so during the transition period:

• Until you’ve been seed oil-free for six months, avoid direct sun 2 to 3 hours before and after solar noon. While complete tissue clearance of seed oils takes about two years, the six-month mark typically allows enough detoxification for beneficial sun exposure during peak hours.

• Remember that during Daylight Saving Time (summer months), solar noon occurs at 1 PM, not 12 PM. This means peak sunlight hours are roughly 10 AM to 4 PM during these months.

• As your body eliminates stored seed oils over the initial six months, gradually increase sun exposure closer to solar noon. Start with early morning or late afternoon sun, slowly working toward midday exposure as your tissues become cleaner and more resilient to UV light.

If sun exposure is necessary before your body has cleared seed oils, consider these protective measures:

1. Astaxanthin supplementation — Take 12 milligrams daily to enhance skin resistance to sun damage.

2. Topical niacinamide — Apply vitamin B3 cream before sun exposure to protect against UV-induced DNA damage.

3. Pre-exposure aspirin — Taking a baby aspirin 30 to 60 minutes before sun exposure may reduce skin cancer risk by preventing LA conversion to harmful oxidized linoleic acid metabolites (OXLAMs).

4. Molecular hydrogen — This compound helps neutralize free radicals and reduces oxidative stress while maintaining beneficial reactive oxygen species.

Vitamin D Supplementation Tips

If regular sun exposure isn’t feasible, vitamin D supplementation may be necessary. However, the current definition of vitamin D deficiency (less than 20 ng/mL) has been shown to be inadequate for good health and disease prevention. While sufficiency begins around 40 ng/mL (100 nmol/L in European measurements), the target range for optimal health is 60 to 80 ng/mL (150 to 200 nmol/L). To optimize your vitamin D levels:

  1. Test your levels twice a year
  2. Adjust sun exposure or supplementation based on the results
  3. Retest after three to four months to confirm you’ve reached target levels
  4. Continue monitoring to maintain optimal levels

Remember that everyone’s relationship with the sun is unique. Listen to your body’s signals and adjust your exposure accordingly. The goal is to harness the benefits of sunlight while avoiding sunburn. Further, keep in mind that the interplay between vitamin D and mental health is intricate and multifaceted. While supplementation shows promise, it’s not a one-size-fits-all solution.

Vitamin D deficiency could be both a consequence of mental illness — due to factors like reduced sunlight exposure and poor diet — and a contributing factor to the severity and resistance to treatment of these conditions. Therefore, addressing vitamin D levels should be part of a holistic approach to mental health care, alongside dietary improvements, physical activity and other psychosocial interventions.

However, ensuring adequate vitamin D levels through safe sun exposure and supplementation when necessary is a valuable component in supporting your mental well-being. By taking proactive steps to manage your vitamin D status, you contribute positively to your overall mental health and resilience against psychiatric disorders.

Posted in Anxiety, Bacteria, Big Pharma, Big Tech, Bones, Brain, Depression, Linoleic Acid, Oils, Omega-3, Protein, Quercetin, RNA, Skin, Sunlight, Tremors, Vitamins | No Comments »

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