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Your Vitamin D Isn't Working Without These Nutrients
20 Nov
Summary
- Magnesium is needed to activate vitamin D for body use.
- Vitamin K2 directs calcium to bones, not arteries.
- Fatigue or cramps may signal magnesium or K2 deficiency.

Vitamin D plays a vital role in calcium absorption, but its effectiveness hinges on other essential nutrients. According to Dr. Amit Saraf, director of internal medicine at Jupiter Hospital, Thane, magnesium is critical for activating vitamin D, making it usable by the body. Without adequate magnesium, vitamin D cannot properly support bone health, cardiovascular function, or the immune system.
Complementing this, vitamin K2 plays a distinct but equally important role. It guides the calcium absorbed with vitamin D's help to the correct locations, such as bones and teeth, thereby preventing its accumulation in arteries and soft tissues. This synergistic action ensures calcium benefits the skeletal structure rather than posing a risk to the circulatory system.
When vitamin D levels are high but magnesium or K2 are low, calcium balance can be disrupted, potentially leading to stiffness or heart issues. Dr. Saraf likens this to teamwork: vitamin D absorbs calcium, magnesium activates it, and K2 directs it. Signs like fatigue, muscle cramps, or bone pain, even with sufficient vitamin D intake, might signal a deficiency in magnesium or K2, highlighting the importance of consuming foods rich in these nutrients like almonds, spinach, cheese, and fermented products for proper vitamin D utilization.




