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Ingredient · Whole Food

Onion (conventional)

Cleaner · 8/10, higher is cleaner

How we reached this

USDA PDP 2023 Annual Summary: 19% of conventional onion samples carried detectable residues.

Sources · 1

Regulatory position

United StatesWithin US tolerance

Also listed as

Onionconventional oniononion

Products containing this · 9

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.