Cell volumization. Anti-catabolic. Prolab glutamine powder is a flavorless, easy-mixing free form amino acid powder. Glutamine is the most abundant amino acid in the skeletal muscle and is heavily metabolized under intense training conditions. Supplementing with glutamine can help maximize recovery after intense training by promoting energy repletion, maintaning a healthy immune system and maximizing your body's buffering capacity against acid build up. (These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.) Product does not completely fill container. Settling occurs in shipping.