Excipient (pharmacologically inactive substance)

What is it?

FDA has regulatory review for color additives used in foods, drugs, cosmetics, and medical devices. FD&C Yellow No. 6 (also known as sunset yellow) is a colorant used in drug dosage forms such as tablets and capsules. It is also approved for use in foods and cosmetics. FD&C Yellow No. 6, a water-soluble, monoazo dye, imparts a reddish-yellow color to medicinal dosage forms. Animals studies have not reported a carcinogenic (cancer-causing) potential for FD&C Yellow No. 6.^{[1] [2]}