Optimum Nutrition's ON AMIN.O. Energy combines essential amino acids with energizing ingredients to fuel your workouts and accelerate recovery. This scientifically-formulated blend delivers BCAAs and supporting amino acids that help preserve lean muscle mass while sustaining performance during intense training. With 30 convenient servings, it's an efficient choice for athletes prioritizing muscle maintenance and endurance. Mix with water pre-workout, intra-workout, or post-workout for flexible nutritional support tailored to your training demands.
