Vitamin D3 (cholecalciferol) is the most important form of the vitamin D family. It mainly regulates calcium and phosphorus metabolism in the body. Vitamin D3 is converted from 7-dehydrocholesterol in the skin by ultraviolet radiation.
Vitamin D3 is a fat-soluble vitamin, known as the "sunshine vitamin". It is the most important form of the vitamin D family. It mainly regulates the calcium and phosphorus metabolism in the body. Vitamin D3 is produced by 7-dehydrocholesterol in the skin. Converted from ultraviolet radiation.