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Ingredient · Flavor

vanillin)

Mixed · 6/10, higher is cleaner

How we reached this

Vanillin — single-molecule flavor compound. Natural vanillin from bean Vanilla planifolia is rare and expensive; ~99% of food-grade vanillin is synthetic (from guaiacol or lignin). FDA GRAS. Lower rating reflects synthetic-flavor + opacity — labels rarely disclose source.

Sources · 1

Also listed as

vanillin

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 2026-05-25.