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Ingredient · Colorant

Yellow Dye No. 5 (Tartrazine)

Mixed · 4/10, higher is cleaner

E-number E102

How we reached this

Hyperactivity warning label required in EU since 2010. Asthma trigger in sensitive subjects.

Sources · 2

Regulatory position

European UnionPermitted with mandatory warning label since 2010 (E102)
United StatesPermitted (FD&C Yellow 5, 21 CFR 74.705)
NotesSame Southampton-study hyperactivity warning as Red 40. | Same Southampton-study hyperactivity warning as Red 40.

Also listed as

E102TartrazineYellow 5

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.