Bentonite clay (oral)

Tier 3 — weak evidence · Detox claims · GI binder

Marketed for "detox" and gut health, but no human trial evidence supports any health benefits. May bind medications, nutrients, and essential minerals in your digestive tract, reducing their absorption. FDA has warned about lead contamination in some commercial products. Not recommended as a dietary supplement by any major health authority.

Dose: No evidence-based dose; may interfere with medication absorption; contamination risk