Vitamin B is composed of C. 8 compounds. Here they are: - vitamin B1 is called thiamine - vitamin B2 is called riboflavin - vitamin B3 are niacin, nicotinic acid, nicotinamide riboside - vitamin B5 is pantothenic acid - vitamin B6 are pyridoxine, pyridoxal, pyridoxamine - vitamin B7 is biotin - vitamin B9 is folic acid - vitamin B12 are cobalamins
