![]() It plays an important role in calcium and phosphorus metabolism, stimulates the immune system, helps in the development of strong bones and teeth. Vitamin D has several important functions in the body. Vitamin D is essential to the body and is needed in small amounts, which is exactly what vitamins are, however it is produced by the body, unlike other vitamins. ![]() The ultraviolet B (UVB) rays of the sun react to a type of cholesterol already present in the body (7-dehydrocholesterol) and produce vitamin D3 or cholecalciferol ( 2).Įven though considered as a fat-soluble vitamin, vitamin D technically isn’t a vitamin. This vitamin is produced by your body when you are exposed to sunlight. Vitamin D, often nicknamed the sunshine vitamin, is a family of compounds including vitamin D1, D2, and D3 ( 1).
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