Some popular supplements can cause serious side effects at high doses or come with certain health risks. Learn which ones to ...

(Peter Dazeley/The Image Bank/Getty Images) The "sunshine vitamin" may come with a dark side. Just as a lack of vitamin D can ...

Vitamin D is known to be essential to many aspects of human health — but a new study suggests that taking a certain form of it can have a negative effect. The more potent and longer-lasting form, ...

Vitamin D supplementation appeared to be both effective and safe, though careful monitoring is advised. Vitamin D supplementation demonstrated potential benefits for oncology patients, mitigating the ...

Vitamin D is known to be essential to many aspects of human health — but a new study suggests that taking a certain form of it can have a negative effect. The more potent and longer-lasting form, ...

Vitamin D is one of the most commonly supplemented vitamins–especially in regions and during seasons with little sunlight. It supports numerous processes in the body, including bone metabolism, the ...

When you decide to spend money on a vitamin or supplement, you want to be sure it delivers. Which is why it can be a bit disheartening to walk down the vitamin aisle at the drugstore looking for a ...

Vitamin D3 maintains higher and more stable blood levels than vitamin D2. Vitamin D2 comes from plant sources like mushrooms ...

Share on Pinterest A new study compared the vitamin D boosting capacity of two forms of vitamin D: D2 and D3. Viktoriya Skorikova/Getty Images Vitamin D deficiency is associated with an increased risk ...