Milk Thistle Extract has been traditionally used to support liver health.* Silymarin, the active complex found in Milk Thistle Extract, supports antioxidant activity.* 21st Century's standardized herbal extracts are thoroughly tested to assure specific levels of the important active ingredients are present for maximum benefit. freshness and label potency. No added sugar, salt, yeast, preservatives, artificial flavors or colors. 100% vegetarian formula. 21st Century Vitamins and Supplements are manufactured in a cGMP facility under the strictest standards for product quality, including potency and purity. 21st Century prides itself on providing you with a great product at the best value. *This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.