Vitamin D2 supplements may negatively impact circulating levels of vitamin D3 and negate the latter's potential benefits, ...

When it comes to building strong, healthy bones, the emphasis on strength training has never been greater. Staying active is essential for bone health, but it’s important not to neglect the basics: ...

Taking one type of vitamin D supplement seems to cut the levels of another type that is more easily used by the body, which could affect our immune system. Our bodies create vitamin D when ultraviolet ...

There’s new evidence that taking vitamin D supplements can help offset biological aging at the cellular level, according to researchers from Brigham and Women’s Hospital and Harvard University. The ...