Researchers analyzed 11 trials with 655 adults and discovered that taking vitamin D2 supplements decreases the body's vitamin D3 levels, a previously unknown effect.

Blood thinners, thyroid medications and diuretics are just some of the drugs that don’t mix well with multivitamins. Take to ...

Some studies have found that multivitamins don’t actually improve health outcomes, but certain groups might benefit.

Discover the vitamins and supplements that can cause a metallic taste in your mouth, including zinc, iron, and other ...

More research is needed into vitamin D function. The paper highlighted the importance of learning more about the impacts of vitamin D types on our immune system – “Further res ...

Explore how vitamin B₁₂ supports the brain and nervous system, why deficiencies persist even in well-nourished populations, ...

To keep your immune system strong, you need 75-90 milligrams a day of vitamin C — here are the best foods to nourish your ...