FD&C Red No. 40

English Noun en noun FD&C red No. mul 40 en dyes FD&C code A color additive composed principally of Allura Red AC; a petroleum-derived synthetic food coloring widely used in U.S. foods, cosmetics, and medications. en Kristen Rogers Over half of US states are trying to eliminate food dyes. Here’s what you can do now w:CNN https://www.cnn.com/2025/03/29/health/food-dye-bans-states-wellness 2025-03-29 Red dye No. 40: red 40, FD&C Red No. 40 or Allura Red AC https://web.archive.org/web/20261011090009/https://www.cnn.com/2025/03/29/health/food-dye-bans-states-wellness 11 October 2026 Synonyms en Allura Red AC E129 Red 40 red 40 Further reading While the FDA deems it safe for consumption in small quantities, it remains highly controversial due to potential links to childhood hyperactivity, gut inflammation, and allergic reactions.