Milk is another drink that is often fortified with vitamin D to help us get this valuable nutrient. Like orange juice, milk is not a natural source of vitamin D, but the FDA allows manufacturers to ...

Exhaustion is the number-one sign of a vitamin D deficiency. So if you’re feeling tired—even when you’ve gotten enough ...

Excessive vitamin D supplementation can lead to serious health issues, including digestive problems, dangerously high calcium ...

Pre-workout supplements can boost energy and focus, but side effects like jitters and nausea are common. Learn what causes them and how to reduce risks.

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

In “Highway to Health – Studies in Brief,” this edition focuses on the impact of targeted nutrient strategies on body and mind. A review shows how vitamin D supplementation can affect mood and memory.

Other studies have found similar results. People who take high doses of vitamin D—2,000 IU or more—might actually fall more ...

Since vitamin D accumulates in the body, taking a high-dose supplement may lead to vitamin D toxicity. This causes nausea, vomiting, and weakness.

Some vitamin and mineral supplements don't offer any benefits against cancer, while others may increase the risk of developing lung cancer for some.

Vitamin D has taken center stage in conversations about wellness—deservedly so—because its deficiency has been linked with a host of serious health problems. Researchers have shown that inadequate ...

Scientists discovered that vitamin D2, often taken to meet daily health recommendations, may actually lower the body’s levels of vitamin D3. Credit: Stock A new study shows that vitamin D2 may reduce ...

Sometimes a new bit of research appears and barely causes a ripple. Then another study comes out, confirms the effect, and suddenly you look back at the first one with new eyes. Only when you connect ...