Ingredient

C Red N.40

Source
Not animal-derived
Allergen
No
Role in food
Manufacturers add Red No. 40 to foods to give them a red color. It …

What is C Red N.40?

Red No. 40 is a synthetic red food dye. It is made from petroleum and is one of the most widely used food colorings in the United States. It provides a bright red color to foods and beverages.

Is C Red N.40 vegan?

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

Is C Red N.40 a major allergen?

Not a major allergen.

What is C Red N.40 used for?

Manufacturers add Red No. 40 to foods to give them a red color.

Is C Red N.40 safe?

Red No. 40 is an FDA-approved food additive.

Why it's used

Manufacturers add Red No. 40 to foods to give them a red color. It is commonly found in candies, baked goods, cereals, beverages, and other processed foods. It helps make products visually appealing to consumers.

Health notes

Red No. 40 is an FDA-approved food additive. The FDA has stated that it is safe for consumption. However, some studies have suggested a link between artificial food dyes, including Red No. 40, and hyperactivity in children. The FDA is currently reviewing the safety of petroleum-based synthetic dyes, including Red No. 40, with a plan to phase them out. The European Food Safety Authority (EFSA) has also evaluated food colorings, but their conclusions may differ from US regulatory bodies.

Allergen info

Not a major allergen.

Foods that contain C Red N.40

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Last updated: October 5, 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.