Red 40

Red 40, also known as Allura Red AC, is a synthetic red dye. It is manufactured from petroleum-based raw materials through chemical synthesis.

Manufacturers add Red 40 to foods and beverages to impart a red color. It is commonly found in candies, cereals, soft drinks, baked goods, and fruit-flavored products to enhance their visual appeal.

Red 40 is an FDA-approved color additive for use in food. The FDA announced in April 2025 a plan to phase out petroleum-based synthetic dyes, including Red 40. Some studies have suggested a link between synthetic food dyes, including Red 40, and hyperactivity in some sensitive children, though the evidence is mixed and not all studies have found a consistent effect. JECFA (the Joint FAO/WHO Expert Committee on Food Additives) has evaluated Red 40 and set an acceptable daily intake. EFSA (the European Food Safety Authority) has also evaluated this dye.