Mix up Essential Amino Energy anytime you want a fruit-flavored or coffeehouse-inspired boost of energy and alertness. Simply add a 2-scoop serving to water for an afternoon pick-me-up, or increase the amino acid matrix to 10 grams with a 4-scoop pre-workout drink that delivers 200 mg of caffeine from green coffee and green tea extracts. Optimum Nutrition is part of the Glanbia global nutrition group and has been setting the Gold Standard in sports nutrition for more than 30 years, helping performance-focused athletes achieve their goals. We are proud to be one of the few sports nutrition companies that owns and operates its own production facilities, and we take as much pride and care in crafting our supplements as our consumers do in achieving their fitness accomplishments.