Humic acid

Tier 4 — risky / avoid · Mineral transport · Detox claims · Gut

A soil-derived compound sold alongside fulvic acid and marketed for gut health and mineral absorption. No human trial evidence supports any health claim. Heavy metal contamination (arsenic, lead) is a documented risk. Not recognized as safe or effective by any major health authority. Not recommended.

Dose: No evidence-based dose; contamination risk; not recommended