There are two types of vitamin D supplements available for over-the-counter purchase (vitamin D2 and vitamin D3). Vitamin D3 is the type that most experts believe should be utilized in clinical ...

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 ...

Dec. 11, 2024 — Many vitamins are produced in chemical factories, often synthetically, but researchers have succeeded in developing a natural and simple method for producing vitamin B2 ...

Haidong Zhu, Ph.D., from the Medical College of Georgia at Augusta University, and colleagues conducted a randomized, double-blind, placebo-controlled trial of vitamin D 3 (2,000 IU/day) and marine ...

Vitamin D is an essential nutrient that plays a role in hair growth. In this article, learn how a vitamin D deficiency may relate to hair loss.