Activated Charcoal Food Supplement, 1560 mg - 240 Capsules. Holland & Barrett Charcoal Capsules are naturally sourced and treated with oxygen to make this natural substance suitable for supplementing. Activated Charcoal Powder, Capsule Shell (Gelatine), Bulking Agent (Microcrystalline Cellulose), Anti-Caking Agent (Magnesium Stearate). Always read the label before use