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Artificial dyes

Blue 1

Brilliant Blue FCF, printed in the US as Blue 1.

Matches personal ingredient preferences based on label evidence; not medical, allergy, or dietary safety advice

What the label is naming

Blue 1 is Brilliant Blue FCF, also E133 and CI 42090. Labels on candy, ice pops, and sports drinks use the short US number. Blue 1 Lake matches because the number pattern still sees Blue 1.

Where it hides

Blue raspberry candies, some kids' yogurts, mouthwash-colored frostings, and drink mixes. Spirulina and blueberry are not aliases.

Names and codes

Aisles to check

Label-reading tips

Check a label for Blue 1

Paste an ingredient list. This checker looks only for Blue 1. It does not score the rest of the food.

Questions

Is Brilliant Blue the same as Blue 1?

Yes. Brilliant Blue FCF is the common name that corresponds to FD&C Blue No. 1 and E133.

Does Blue 1 match Blue 2?

No. Each number has its own pattern and its own page.

Related in Artificial dyes

Match Blue 1 in the app