Rutin is an important, non-citrus, antioxidant bioflavonoid. Flavonoids are a group of water soluble plant pigments found naturally in many foods. Rutin shares some similar beneficial properties with Vitamin C. The natural source Rutin in this formulation helps the body to fight free radicals which damage cells through oxidation. Solgar Rutin 500mg Tabletsis a citrus bioflavonoid found in a wide variety of plants including citrus fruit. It is a powerful phytochemical, derived from Japanese Sophora. The Japanese Sophora is a tree native to China and Japan. It has been used through history in traditional Chinese medicine as its fruits are a rich source of bioflavonoids. Bioflavonoids are present in almost all fruits, vegetables and herbs, and are classified as phytochemicals. __Key Features:__ - Vegan, Kosher, Gluten Free, Dairy Free, Vegetarian