Vitamin D3

Vitamin D3

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Vitamin D3, also known as cholecalciferol, is a kind of vitamin D, there are at least 10 known vitamin D, but the most important are vitamin D2 (ergocalcitol) and vitamin D3 (cholecalciferol). Cholecalciferol, also known as vitamin D3, is one of the most important forms of vitamin D, which mainly regulates calcium and phosphorus metabolism in the body. Vitamin D3 is converted from 7-dehydrocholesterol in the skin by ultraviolet irradiation.

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