English-Hanzi/Vitamin D is a group of fat-soluble steroids

Vitamin D is a group of fat-soluble steroids, responsible for increasing the absorption of calcium, magnesium and phosphate in the intestine, and has a variety of other biological effects. 维生素D是一组脂溶性类固醇，负责增加肠道中钙，镁和磷酸盐的吸收，并具有多种其他生物学作用。