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. By taking 1 tablet of Solgar Rutin 500mg, you will receive 500mg of bioflavonoids. All Solgar products meet our industry recognized \"Gold Standard\" for excellence. Made using naturally sourced ingredients and innovating since 1947, Solgar is your perfect supplement to good health - 98% of Solgar consumers recommend the brand