* Herbal Extract * 100% Vegetarian * 200 Count * Maximum Strength Formula for Proper Support & Maintenance of Normal Liver Function * Dietary Supplement * Laboratory Tested - Guaranteed Quality * 100% Vegetarian Formula 21st Century Milk Thistle Extract (Silybum marianum) is grown wild in Europe and America and has been used as a powerful health tonic for over 2000 years. Silymarin, the active complex found in Milk Thistle Extract, is a powerful antioxidant. 21st Century"s standardized herbal extracts are thoroughly tested to assure high quality standards are met.