Your Body Controls Vitamin D Levels More Than Sunlight Does
Scientists followed 217 healthy men living across Europe for a full year to understand how the body manages vitamin D from sunlight. They discovered something …
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How Your Body Controls Vitamin D: A Key Protein That Keeps Levels in Balance
Scientists have discovered that a protein called CYP24A1 acts like an "off switch" for vitamin D in your body. This protein breaks down active vitamin D into …
Read MoreVitamin D Levels Stay Steady Throughout the Day
Researchers studied how vitamin D levels in the blood change during a 24-hour period in healthy adults from different racial and ethnic backgrounds. They kept …
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