OPTIMUM NUTRITION® AMIN.O. ENERGY HYDRATION¹* + FOCUS delivers the latest innovation to your fitness regimen. Dial up your energy, zero in on your workout, and get hydration support* with our enhanced 3-in-1 formula with caffeine from natural sources, electrolytes, and nootropics in every serving. 

Developed for anyone who wants to enhance their performance nutrition regimen, it can be used any time of day when energy and focus are needed - before or during sports, workouts, and other activities where you want an edge. ¹

Every serving is the result of tireless research and development by experts in performance nutrition. Packed with top-quality ingredients from thoroughly and carefully selected sources, it’s precisely what you’ve come to expect from OPTIMUM NUTRITION® – The World’s #1 Sports Nutrition Brand.