Ingredient · E129

Red #40 Food Color

Source
Not animal-derived
Allergen
No
Role in food
Manufacturers add Red #40 to make foods visually appealing with a vibrant red hue. …

What is Red #40 Food Color?

Red #40 Food Color, also known as Allura Red AC, is a synthetic dye produced from petroleum. It is used to impart a red color to foods and beverages.

Is Red #40 Food Color vegan?

Red #40 Food Color is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.

Is Red #40 Food Color a major allergen?

Not a major allergen.

What is Red #40 Food Color used for?

Manufacturers add Red #40 to make foods visually appealing with a vibrant red hue.

Is Red #40 Food Color safe?

Red #40 is an FDA-approved food additive.

Why it's used

Manufacturers add Red #40 to make foods visually appealing with a vibrant red hue. It is commonly found in cakes, cupcakes, snack cakes, baking decorations, dessert toppings, and yogurt, as well as candies, drinks, and cereals.

Health notes

Red #40 is an FDA-approved food additive. In April 2025, the FDA announced a plan to phase out petroleum-based synthetic dyes, including Red #40. JECFA has evaluated Red #40 and set an acceptable daily intake. EFSA has also evaluated this additive. Some studies suggest a link between synthetic food dyes, including Red #40, and hyperactivity in some children, though evidence is mixed and not all studies have found a consistent link.

Allergen info

Not a major allergen.

Foods that contain Red #40 Food Color

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Red 40, Yellow 5, Yellow 6: What the Evidence Says →

Auto-generated content. This description was generated automatically and is pending editorial review. Inaccuracies are possible. Found a mistake? Contact us.

Last updated: September 28, 2026

Note: This site presents label data from USDA FoodData Central for general information. It is not medical advice. Check the package label; formulations change.