On Optimum Nutrition Glutamine Powder is used for managing muscle recovery, protein synthesis and immune manage. Glutamine levels can be depleted during intense exercise, leading to muscle breakdown, fatigue and slower recovery times. This powder helps replenish your body's glutamine stores, managing faster recovery, managed muscle protein synthesis and overall performance management. Glutamine is vital for muscle cell repair and development, managing the body's ability to recover from workouts more effectively. Whether you are engaging in strength training, endurance activities or high-intensity workouts, this glutamine powder provides the necessary manage to keep your muscles fuelled and your body performing at its best.