Vitamin D3 Powder

Brief Introduction:

Vitamin D3, also known as cholecalciferol, is a type of vitamin D that has been proven to be the true active form of vitamin D in the body. At present, there are at least 10 known types of vitamin D, but the most important ones are vitamin D2 (ergocalciferol) and vitamin DChemicalbook3 (cholecalciferol). Cholecalciferol, also known as vitamin D3, is the most important form of vitamin D family, mainly regulating calcium and phosphorus metabolism in the body. Vitamin D3 is converted from 7-dehydrocholesterol in the skin by ultraviolet radiation.