A new study suggests that vitamin D supplements may help preserve the length of telomeres, which "could mean a 3-year ...

Vitamin D supplements are mostly recommended when you’re deficient. In the U.S., 35% of adults are vitamin D deficient, ...

Vitamin D is particularly important for women, supporting bone health and pregnancy. Learn about vitamin D, its benefits, how ...

Taking omega-3 and vitamin D supplements together can benefit your bone health, immune function, and more. Learn how to take ...

When the sun is out, your body can potentially make its own vitamin D, but it still may make sense to continue with ...

A new study finds that safe levels of vitamin D supplementation can promote longevity by reducing a certain type of cellular ...

Who Is at Risk for Getting Too Much Vitamin D? Jessica McAllister, RD,a registered dietitian and the owner of Dietitian ...

If your doctor recommends a vitamin D supplement for hair loss, they’ll let you know how much to take each day. Getting too much vitamin D can lead to vitamin D toxicity. This is a potentially ...

Vitamin D supplements are widely used for bone health and immunity, but excessive intake can lead to silent side effects. High calcium levels, kidney strain, digestive issues, mood changes ...

In short, those vitamin D supplements may help you stay sharp now and through the years. Taking too much vitamin D can lead to hypercalcemia, which means you have too much calcium in your blood.

Taking very high doses of vitamin D—100 micrograms (4,000 IU)—can lead to muscle weakness, loss of appetite, nausea, vomiting, confusion, pain, dehydration, excessive urination and thirst ...