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Ingredient · Preservative

Tamari (gluten-free soy sauce)

Mixed · 6/10, higher is cleaner

How we reached this

Fermented soy-bean sauce; gluten-free variant of shoyu. High sodium content drives the rating down. Concern: most US soy is GMO unless organic-certified.

Sources · 1

Also listed as

gluten-free soy sauce

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 2026-05-23.