Citrus Bioflavonoids are a class of flavonoids that include rutin, hesperidin, naringin, quercitin, and a tandardized mixture of rutinosides known as hydroxyethylrutosides (HER). They are used for the treatment of capillary fraglity (easy brusing), and venous insufficiency (varicose veins, hemorrhoids, diabetic vascular disease and diabetic retinopathy) Other names for Citrus Bioflavonoids include: Rutin, Hesperidin, Naringin, Quercitin, and HER> Check with your Doctor before using Citrus