Dietary Supplement. Micronized pharmaceutical grade. 100% Pure. 100 Servings. H.P.L.C. Lab tested. Glutamine is the most abundant free amino acid in muscle tissue. It helps support muscle growth and also provides energy for the entire body, including important metabolic functions. It is produced by the body under normal conditions, however, during periods of stress or intense exercise, our demand increases. Supplementing with L-Glutamine after workouts may aid in muscle tissue repair, enhance immune functions, and assist in recovery and recuperation. Pharmaceutical Grade L-Glutamine is guaranteed to be free of impurities and by products. (This statement has not been evaluated by the FDA. This product is not intended to diagnose, treat, cure or prevent any disease).