Free Radical ScavengerSupports Vascular StrengthRutin is a bioflavonoid related to quercetin and hesperidin found in both citrus and non-citrus fruits, as well as other foods such as buckwheat. Rutin is a powerful combatant of free radicals and is best known for its role in vascular health. Rutin helps to maintain the structural integrity of blood vessels, such as veins and capillaries. Scientific studies suggest that it may help to support vascular function and promote healthy circulation. NOW Rutin is vegetarian and derived from a non-citrus source.