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Ingredient · Colorant

Red Dye No. 40 (Allura Red AC)

Mixed · 4/10, higher is cleaner

E-number E129

How we reached this

EU requires warning label for hyperactivity in children since 2010. Banned in some European countries. California 2024 school-food restriction.

Sources · 3

Regulatory position

European UnionPermitted with mandatory warning label since 2010 (E129)
United StatesPermitted (FD&C Red 40, 21 CFR 74.340)
NotesEU labels: 'May have an adverse effect on activity and attention in children.' California AB 2316 (2024) banned in school food. | EU labels: 'May have an adverse effect on activity and attention in children.' California AB 2316 (2024) banned in school food.

Also listed as

Allura Red ACE129FD&C Red No. 40Red 40

Products containing this · 4

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 2026-05-23.