The water-soluble vitamins are vitamin C and vitamin B complex, which includes thiamine, riboflavin, niacin, pantothenic acid, pyridoxine, folate, biotin, and cobalamin. Vitamins can be fat-soluble or ...
Water-soluble vitamins, like B vitamins and vitamin C, can be taken anytime, with or without food. Fat-soluble vitamins, such as vitamins D, A, E, and K, should be taken with a meal that contains fat.