Discover the safe way to support your child’s growth with vitamin D—understand the signs of overdose, proper dosage, and how ...

USANA (NYSE:USNA), a global leader in cellular nutrition, is bringing a little more sunshine to wellness. Its top-rated ...

We've assessed vitamin D supplements from brands including BetterYou, Boots, Holland & Barrett, Vitabiotics and more to uncover the best ...

Vitamin K, crucial for blood clotting and bone health, is often overlooked. Deficiency symptoms include easy bruising, heavy ...

Researchers examined data from controlled trials and found that taking vitamin D2 led to a reduction in vitamin D3 levels, in ...

Learn how vitamin D functions and may affect diabetes, heart disease, cancer, and dementia risk. Plus, how it could benefit ...

Researchers analyzed 11 trials with 655 adults and discovered that taking vitamin D2 supplements decreases the body's vitamin ...

Sunlight and diet provide most of our vitamin D, but in modern life, many people struggle to maintain optimal levels. Whether ...