L-arginine together with a potent blend of amino acids, pure caffeine from guarana and other herbal extracts, and a unique combination of B Vitamins will lift you out of an energy-deficient slump and give your body the added nutrition it needs to boost and sustain energy levels. e9’s exclusive high energy, low calorie formulation provides steady energy for hours, then lets your energy gradually subside without experiencing that typical sudden crash. Anytime during the day when you need to be focused, alert, and energized, experience e9’s fast, long-lasting energizing effect. This product is not used to treat heal or cure any disease according to the F D A