Standardized Milk Thistle Extract Maximum Absorption Vegetarian Capsule Standardized to 80% Silymarin Vegetarian Dietary Supplement Dissolution testing helps ensure the silymarin in Thisilyn proprietary extract dissolves quickly and easily in the digestive tract. Thisilyn Standardized Milk Thistle extract supports and promotes normal liver function. The active bioflavonoid complex, silymarin-provides antioxidative properties that help protect the liver. The proprietary milk thistle extract in Thisilyn is uniquely prepared and tested for purity and dissolution--ensuring the plant's desirable benefits remain bioavailable.