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 …

Vitamin D (also referred to as calciferol) is a fat-soluble vitamin that is naturally present in a few foods, added to others, and available as a dietary supplement. It is also produced …

Oct 25, 2024 · Vitamin D (calciferol) keeps bones strong and supports your immune system. People ages 1 to 70 need 15 mcg (600 IU) per day; people 70+ need 20 mcg (800 IU).

Jul 17, 2025 · Vitamin D has several important functions within the body, but it is primarily known for its role in calcium homeostasis and promoting calcium absorption. Hence, it is a vital …

May 20, 2013 · Vitamin D has several important functions. Perhaps the most vital are regulating the absorption of calcium and phosphorus and facilitating healthy immune system function.

Unlike the other twelve vitamins, vitamin D is only conditionally essential, as with adequate skin exposure to the ultraviolet B (UVB) radiation component of sunlight there is synthesis of …

Feb 5, 2024 · Vitamin D is essential for the bones and teeth, the immune system, brain health, and for regulating inflammation. The body produces vitamin D as a response to sun exposure.

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 …

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 …

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...