Ingredient · E133

Us Certified Colors Including: FD&C Blue No. 1

Source
Not animal-derived
Allergen
No
Role in food
It is used by food manufacturers to add a vibrant blue color to a …

What is Us Certified Colors Including: FD&C Blue No. 1?

FD&C Blue No. 1 is a synthetic color additive used to impart a blue color to foods. It is manufactured from petroleum-based raw materials through chemical synthesis.

Is Us Certified Colors Including: FD&C Blue No. 1 vegan?

Us Certified Colors Including: FD&C Blue No. 1 is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.

Is Us Certified Colors Including: FD&C Blue No. 1 a major allergen?

Not a major allergen.

What is Us Certified Colors Including: FD&C Blue No. 1 used for?

It is used by food manufacturers to add a vibrant blue color to a wide range of products, such as candies, beverages, baked goods, and dairy items.

Is Us Certified Colors Including: FD&C Blue No. 1 safe?

In the United States, FD&C Blue No. 1 is an FDA-approved color additive for use in food, drugs, and cosmetics.

Why it's used

It is used by food manufacturers to add a vibrant blue color to a wide range of products, such as candies, beverages, baked goods, and dairy items. Its main purpose is to enhance the visual appeal of foods.

Health notes

In the United States, FD&C Blue No. 1 is an FDA-approved color additive for use in food, drugs, and cosmetics. JECFA has evaluated this additive and set an acceptable daily intake, and EFSA has also evaluated it. Some studies have suggested a possible link between synthetic food colors, including Blue No. 1, and hyperactivity in some children, though evidence remains mixed and further research is ongoing. In April 2025, the FDA announced a plan to phase out petroleum-based synthetic dyes, which includes FD&C Blue No. 1.

Allergen info

Not a major allergen.

Foods that contain Us Certified Colors Including: FD&C Blue No. 1

Compare products →

Learn more

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.