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

Vitamin D is a crucial nutrient that plays an important role in maintaining strong bones, healthy muscles, and a strong ...

Most people do best when they take vitamin B in the morning or early afternoon. “Many B vitamins, particularly B12 and B6, ...

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.

The most clinically established and studied function of vitamin D is its role in maintaining skeletal integrity through the dynamic modulation of calcium and phosphorus absorption. 2 In addition to ...

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 ...