Standardized horse chestnut extract with added calcium. Sustained release formula for longer lasting effects! What is horse chestnut? Horse chestnut (Aesculus hippocastanum) is a tree native to Greece and other mountainous regions of the Balkan Peninsula. Widely cultivated throughout the world today horse chestnut trees produce nut-like seeds called conkers or horse chestnuts. Historically whole horse chestnuts were used as game pieces and beads for jewelry while an extract from their seeds and the tree’s flowers have been used for health purposes. . How does horse chestnut support health? . Horse chestnut seed extract contains aescin a natural saponin and bioflavonoid identified as its main active constituent. Horse chestnut seed extract is commonly used in European alternative health practices for leg and vein support. . Why choose Vitacost Horse Chestnut? . Standardized to 22% aescin. Also supplies 100 mg of calcium per tablet. Sustained release formula for longer lasting effects. Contains 120 servings per bottle. Exceptional quality at an extraordinary value! . About Vitacost. Vitacost nutritional products are manufactured to high standards of quality efficacy and safety. Each Vitacost product meets or exceeds the standards and requirements set forth in the FDA’s Code of Federal Regulation (21 CFR 111) Current Good Manufacturing Practices (CGMP). . *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose treat cure or prevent any disease.