The Great Legs Ultra formula from Natural Balance is intended to provide nutritive support for strengthening veins, supporting circulation, and energizing your legs while helping to diminish the prominence of leg veins.*  Comfort for tired, aching, heavy legs* Powerful, comprehensive formula with clinically tested ingredients Diosmin: Contains all-natural Diosmin, a bioflavonoid derived from Sweet Orange. Backed by clinical research, it is one of the most widely used vein support nutrients. Diosmin is intended to provide nutritive support for veins, micro-circulation, and lymphatic flow* Butchers Broom, Hesperidin and Vitamin C: This popular French combination, containing a concentrated extract of Butchers Broom, has been studied in clinical research for its reputed ability to support vein and capillary integrity for healthy, oxygenated blood flow* Gotu Kola and Horse Chestnut are added to help support veins for comfortable legs and trim ankles* Poor circulation to the lower extremities can lead to swelling, aching, cramping and a feeling of heaviness in the legs and feet, not to mention the unattractive appearance of pronounced veins.