Optimum Nutrition Essential Amin.O. Energy

Essential AMIN.O. ENERGY powder mix supports energy with 100mg of caffeine from natural sources per serving and post-workout muscle recovery with 5g of amino acids per serving. It’s formulated for active people at every level of fitness who want a mild pre-workout energy boost or to maintain energy during physical activity.

With more than a dozen fruit-flavors to choose from and easy mixing, it’s an easy way to bring energy¹ to exercise, sports, and other physical activities – all with the quality you expect from OPTIMUM NUTRITION® – The World’s #1 Sports Nutrition Brand