C-ing is B-elieving — supplements are everywhere these days. Over 100,000 dietary or nutritional supplements are sold in the US alone. One survey indicated that about 74% of American adults take these ...
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.