Varicose vein complex Clinically proven nutrients for normal vein function DiosVein Diosmin - Popular European extract micronized for healthy vein circulation and tone Venocin - Proven vasoprotective Horse Chestnut seed extract Centellin - Clinically proven Gotu Kola extract for normal vein function Clinical research has proven that potent natural ingredients found in citrus rinds, Gotu Kola and Horse Chestnut help support normal vein function.