A surprising study suggests vitamin D2 supplements may reduce the body’s levels of vitamin D3 — the more effective form of ...

A new study is challenging the effectiveness of vitamin D in preventing falls in elderly people. For years, calcium and ...

Vitamin D dips in winter as sunlight weakens, but a study of runners and non-runners found outdoor exercise helped protect levels naturally. Supplements supported immune balance, yet they did not ...

Multivitamins offer little benefit for most healthy people who eat a balanced diet. Specific groups may benefit, including pregnant people, older adults, and those with restrictive diets or conditions ...

America's favorite dietary supplements, multivitamins, modestly lowered the risk for cancer in healthy male doctors who took them for more than a decade, the first large study to test these pills has ...

Vitamin C is among the most commonly taken supplements on earth, yet roughly 42% of Americans have inadequate vitamin C ...

That multivitamin you’ve been faithfully taking every morning might not be doing as much for your longevity as you thought. A groundbreaking new study from the National Institutes of Health has just ...

New research suggests vitamin C may play a role in lowering cancer risk by reducing harmful compounds in the body and ...

Researchers at Shibaura Institute of Technology synthesized hybrid vitamin K molecules that produced neurons at three times ...

America's favorite dietary supplements, multivitamins, modestly lowered the risk for cancer in healthy male doctors who took them for more than a decade, the first large study to test these pills has ...