Mix up Essential Amino Energy any time you want a fruit-flavored or coffeehouse-inspired boost of anytime energy and focus. You can determine what's appropriate for any situation - add a 2-scoop serving to water for an afternoon pick-me-up or increase the amino acid matrix to 9 grams with a 4-scoop pre-workout that also delivers 200mg caffeine from natural sources like green tea and coffee bean, all with 0g sugar. Optimum Nutrition is proud to be one of the few in the industry who owns and operates their own production facilities. They take as much pride and care in crafting their award-winning supplements as their consumers do with developing their physiques and advancing their fitness.