Mix up ESSENTIAL AMIN.O. ENERGY anytime you want a boost of energy, focus and muscle recovery support. Each serving provides 100 mg of caffeine from natural sources to support energy and focus along with 5 grams of amino acids. Category creating unique formula that delivers caffeine from natural source with essential amino acids and it all comes in refreshing fruit flavors. Taste-Energy-Focus-Recovery & all with Zero Sugar, you can now have it ALL!