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Ingredient · Colorant

colorant: e150d

Mixed · 4/10, higher is cleaner

How we reached this

E150d (sulphite ammonia caramel) — ammonia + sulphite caramelization process. **Contains 4-methylimidazole (4-MEI)** which California Prop 65 lists as known carcinogen. FDA + EU maintain exposure at typical use levels is below concern threshold but the listing is documented. Used in colas + dark sodas.

Sources · 1

Also listed as

colorant e150d

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.