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Ingredient · Additive

Calcium hydroxide

Cleaner · 7/10, higher is cleaner

How we reached this

Calcium hydroxide — used in cornmeal nixtamalization (corn-tortilla process — releases niacin bioavailability). FDA GRAS at use levels.

Sources · 1

Products containing this · 2

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 2026-05-26.