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Source
Not animal-derived
Allergen
No
Role in food
Manufacturers add Blue #1 Dye to give foods a vibrant blue color. It is …
What it is
Blue #1 Dye, also known as Brilliant Blue FCF, is a synthetic food coloring. It is produced from petroleum sources through chemical synthesis to create a vibrant blue hue.
Why it's used
Manufacturers add Blue #1 Dye to give foods a vibrant blue color. It is commonly found in candies, beverages, baked goods like cakes and cookies, and other processed foods to enhance their visual appeal.
Health notes
Blue #1 Dye is an FDA-approved color additive for use in food. In April 2025, the FDA announced a plan to phase out petroleum-based synthetic dyes, including Blue #1, from food products. The European Food Safety Authority (EFSA) and the Joint FAO/WHO Expert Committee on Food Additives (JECFA) have both evaluated Blue #1 and set an acceptable daily intake. Some studies have suggested a link between synthetic food dyes and hyperactivity in children, but the evidence is mixed and more research is needed to draw firm conclusions.
Note:
This site presents label data from USDA FoodData Central for general information. It is not medical advice.
Check the package label; formulations change.