vitamin D is chemically know as_________ ?
A. Retinol
B. Calciferol
C. Tocopherol
D. None of these.
Vitamin D is a fat-soluble vitamin, found naturally in every few foods. The term vitamin D refers to a family of compounds that are derived from cholesterol. There are two major forms of vitamin D: vitamin D2, found in plants and better known as ergocalciferol (or calciferol), and vitamin D3, found in animal tissues and often referred to as cholecalciferol.