Why your Vitamin D Supplement could be Putting you at Risk

Why your Vitamin D Supplement could be Putting you at Risk

And Why Most People Don’t Realize They’re Doing More Harm Than Good

Introduction

Vitamin D plays a critical role in maintaining adequate calcium levels in the blood, which is vital for various bodily functions. There are two primary mechanisms through which vitamin D achieves this:

  1. Enhancing Calcium Absorption: Vitamin D improves the body's ability to absorb calcium from dietary sources.
  2. Mobilizing Calcium from Bone: When dietary calcium intake is insufficient, vitamin D helps maintain blood calcium levels by drawing on the body’s primary calcium reservoir, the bones.

During periods of inadequate calcium consumption, the body is compelled to utilize the calcium stored in the bones. This process can lead to bone loss and, over time, may result in osteoporosis.

The Role of Vitamin K

While vitamin D ensures that blood calcium levels are sufficient to meet the body’s needs, it does not fully regulate the distribution of calcium within the body. This regulatory function is where vitamin K2 becomes essential.

Vitamin K2 manages calcium in the body through at least two critical processes:

  1. Promoting Bone Calcification: Vitamin K2 activates osteocalcin, a protein that facilitates the deposition of calcium in bones and teeth, thereby strengthening these structures.
  2. Preventing Calcification of Soft Tissues: Vitamin K2 also activates matrix GLA protein, which inhibits the accumulation of calcium in soft tissues, such as the kidneys and blood vessels.

Calcification of blood vessels is associated with the development of chronic diseases, including heart disease and kidney disease.

Is Vitamin D Harmful Without Vitamin K2?

There is a growing concern that a high intake of vitamin D might promote Blood Vessel Calcification (BVC) and heart disease in individuals with low vitamin K levels. Several lines of evidence partially support this concern:

  • Vitamin D Toxicity and Hypercalcemia: One of the symptoms of vitamin D toxicity—caused by excessively high levels of vitamin D—is hypercalcemia, a condition characterized by abnormally high levels of calcium in the blood. It is well established that vitamin K2 plays a role in preventing calcium from accumulating in soft tissues.
  • Hypercalcemia and Blood Vessel Calcification: In cases of hypercalcemia, elevated levels of calcium and phosphorus can lead to the formation of calcium phosphate deposits in the lining of blood vessels. Again, vitamin K2 helps to prevent such calcium accumulation in soft tissues.
  • Association with Heart Disease: Blood vessel calcification is widely recognized as a significant underlying cause of heart disease. Vitamin K2 is instrumental in ensuring calcium remains in the bones and teeth rather than in the blood vessels.

The Perspective from Vitamin K

Vitamin K deficiency has been linked to increased blood vessel calcification. Observational studies have shown that low levels of vitamin K are associated with a higher risk of this condition. Additionally, research suggests that vitamin K supplementation may help mitigate blood vessel calcification in humans. For instance, one controlled study involving older adults demonstrated that a daily supplement of 500 micrograms of vitamin K over three years slowed the progression of BVC by 6%.

Concerns About Vitamin D Toxicity

Vitamin D toxicity is a significant concern because extremely high doses can lead to dangerously high calcium levels and blood vessel calcification. This risk underscores the importance of monitoring vitamin D levels through regular blood tests. Individuals should only consider supplementation if they are found to be deficient or insufficient in vitamin D.

Conclusion

The interplay between vitamin D and vitamin K2 is crucial for maintaining optimal calcium balance in the body. While some conflicting views and opinions exist in the research, the consensus suggests that individuals who are deficient or insufficient in vitamin D should consider taking a vitamin D3 supplement in combination with vitamin K2 to mitigate potential risks associated with improper calcium regulation.

YouTube Video:

https://www.youtube.com/watch?v=7z7YP-oy3GQ&t=3s

Study Links:

https://pubmed.ncbi.nlm.nih.gov/26295257/

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https://betteryou.com/vitamin-d-vitamin-k

https://www.health.harvard.edu/blog/vitamin-d-finding-balance-2017072112070

https://www.nutriadvanced.co.uk/news/thinking-of-supplementing-with-vitamin-d-think-vitamin-k2-too/

https://www.joinhundred.com/blog/vitamin-d3-and-k2/

https://www.healthline.com/nutrition/vitamin-d-and-vitamin-k

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https://www.lesswrong.com/posts/c5aycbSsSc38XWPEc/taking-vitamin-d3-with-k2-in-the-morning


Damian Piotto

Real Estate Agent | Social Selling Specialist | Living in Brisbane Business Networking | Speaker

3 个月

Eye-opening insights, Vincent! Your expertise is crucial for those striving to maintain optimal health as they age. Understanding the balance of nutrient intake can truly transform well-being. Keep guiding us towards better, wiser health choices with your valuable knowledge!

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