Mar 21, 2025 · Vitamin D is a nutrient the body needs, along with calcium, to build bones and keep them healthy. The body can absorb calcium only if it has enough vitamin D. Calcium is a major part of …

Vitamin D is an essential vitamin that your body uses for normal bone development and maintenance. Vitamin D also plays a role in your nervous system, musculoskeletal system and immune system. …

Vitamin D is found in fish, eggs, and fortified milk. It's also made in the skin when exposed to sunlight. During periods of sunlight, vitamin D is stored in fat and then released when...

Several forms (vitamers) of vitamin D exist, with the two major forms being vitamin D 2 or ergocalciferol, and vitamin D 3 or cholecalciferol. [1] The common-use term "vitamin D" refers to both D 2 and D 3, …

May 20, 2013 · Vitamin D is a fat-soluble vitamin in a family of compounds that includes vitamins D1, D2, and D3. Your body produces vitamin D naturally when it’s directly exposed to sunlight. You can...

Vitamin D helps maintain strong bones. Learn how much you need, good sources, deficiency symptoms, and health effects here.

It is a fat-soluble vitamin that has long been known to help the body absorb and retain calcium and phosphorus; both are critical for building bone. Also, laboratory studies show that vitamin D can …

Dec 4, 2025 · Vitamin D is an essential vitamin for balancing calcium and phosphorus in the body, helping to prevent osteoporosis, as well as strengthening the immune system, preventing diabetes …

Feb 28, 2025 · Vitamin D is essential for immune system function and bone health and may influence. It may also influence mood regulation and reduce the risk of several chronic health conditions. The …

Feb 17, 2021 · Learn how to spot vitamin D deficiency symptoms, what foods are high in vitamin D, how much to take daily, and whether D2 or D3 is best for you.