Vitamin D supplementation (D3 or 25[OH]D) was likely not significantly associated with protection against acute respiratory infection.

Feb. 3, 2025 — Maternal vitamin D levels in the first trimester were related to both prenatal growth and pregnancy outcomes, according to a new study. Low vitamin D levels during the first ...

In a world increasingly focused on health and wellness, nutritional supplements play a pivotal role in supporting our bodies’ ...

Mar. 9, 2025 — Higher levels of the minerals copper and manganese in pregnant women were associated with lower blood pressure and a reduced risk of developing high blood pressure decades later ...

Healthline’s writers, editors, dietitians, and medical team spend a lot of time evaluating nutritional supplements. In fact, we’ve reviewed and vetted more than 450 supplement brands.

Vitamin E is an antioxidant that supports the immune system and may help the body fight off chronic diseases such as cancer, though more research is needed to confirm these benefits. It comes in eight ...

Vitamins are classified as either fat-soluble or water-soluble based on how the body absorbs and stores them. The fat-soluble vitamins—A, D, E, and K—are absorbed with fat and stored in the liver, ...