The provisional listing and certification of FD&C Red No. 2 (amaranth) was terminated by the FDA (Federal Register, February 1976); it is no longer permitted as a colour additive in food in the United States.
Amaranth (FD&C Red No. 2, E123) has been banned as a food colour in the United States since 1976, when the FDA terminated its listing over unresolved carcinogenicity concerns; it remains authorized in the EU as E123.