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Clay
Clay
Low concern
Food-grade clays such as bentonite and kaolin are GRAS for specific uses; non-food-grade clays may contain heavy metal contaminants and are not safe to ingest.
Found in
2 products
What it is
Naturally occurring fine-grained sedimentary mineral material (kaolin, bentonite, etc.).
Some food-grade clays (e.g., bentonite, kaolin) are used as anti-caking agents, fining agents (e.g., wine clarification), or dietary supplements; INCI 'clay' is mostly cosmetic.
Why it's flagged
- non-food-grade clays may contain lead/arsenic
- lung/intestinal exposure to dust
What regulators actually say
"Bentonite is generally recognized as safe (GRAS) for use as an ingredient in food."
Regulatory status
United States — FDA
Bentonite and kaolin GRAS for specific food uses (21 CFR 184.1155, 184.1565)
European Union — EFSA
Bentonite (E558) approved as a food additive carrier
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