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5

Ingredient · Preservative

acid (phosphoric acid)

Mixed · 5/10, higher is cleaner

How we reached this

Phosphoric acid (per the parenthetical) — acidulant in cola + processed foods. FDA GRAS but chronic high intake is associated with reduced bone mineral density in epidemiologic studies.

Sources · 1

Also listed as

acid

Products containing this · 5

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.