Excipient (pharmacologically inactive substance)
What is it?
FDA has regulatory review for color additives used in foods, drugs, cosmetics, and medical devices. FD&C Blue No. 2 (also known as indigotine, C16H10N2O2) is a colorant used for drug dosage forms such as tablets and capsules. It is also approved for use in foods and cosmetics.[1] [2]
