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Ingredient · Colorant

coloring ( blue 1 lake

Mixed · 4/10, higher is cleaner

How we reached this

Blue 1 Lake (Brilliant Blue FCF aluminum lake) — synthetic food colorant. FDA permitted (21 CFR 74.101). EWG flags class for hyperactivity signals in pediatric studies (Southampton/McCann 2007); EU requires warning label on foods containing it. Aluminum-bound lake form raises additional concern over straight dye.

Sources · 1

Also listed as

coloring blue 1 lake

Products containing this · 1

About this rating

Ratings run 1–10, higher is cleaner, and are set editorially against the sources above — see the methodology page for how an ingredient rating becomes part of a product score. Last reviewed 2026-05-25.