It’s the most popular supplement on the market. But why do we need vitamin D—and why is the advice on how to get it so contradictory? Sunlight is all our bodies need to make vitamin D—a ...

A randomized trial suggests vitamin D can protect against telomere shortening, which is linked to risk of age-related disease. Results from the VITAL randomized controlled trial reveal that ...

Vitamin D, crucial for bone health, immunity, and overall well-being, is often deficient globally. Sunlight exposure, certain foods like oily fish and fortified cereals, and supplements can help ...

Vitamin D is a fat-soluble vitamin essential for bone growth and proper functioning of the nerves, muscles, and immune system. It's generally safe to take vitamin C and D together. Taking both ...

If vitamin D deficiency is contributing to your hair loss, it’s possible that increasing your vitamin D intake may help. However, research into the use of vitamin D to treat hair loss is limited .

Vitamin D deficiency may lead to both physical and psychiatric problems. It has been identified as a widespread problem, particularly in minority populations. Your muscles, heart, brain ...

For adults, a level of vitamin D in the blood of 20 nanograms per milliliter (ng/mL) or above is generally considered adequate. Levels below 20 ng/mL are generally too low for adequate bone health ...

You may be able to get more vitamin D by increasing your time in the sunlight, taking a supplement, and eating certain foods, including mushrooms. Vitamin D is an essential nutrient that your body ...

Out of 17 vitamin D supplements, these eight brands made our best list. (SaVanna Shoemaker, RD) ...

These new recommendations included limiting vitamin D supplementation beyond the daily recommended intake to specific risk groups and advised against routine 25-hydroxyvitamin D [25(OH)D] testing ...

Vitamin D is a general term that refers to both vitamin D2 (ergocalciferol) and vitamin D3 (cholecalciferol). Vitamin D3 is produced naturally in the skin upon sun exposure and is available in animal ...