Details Dietary Supplement. 100% Pure pharmaceutical grade. Clinically proven. Muscle recovery. Nitrogen transport. Fast absorption. L-Glutamine, the free amino acid, is the single most abundant amino acid present in skeletal muscle, L-Glutamine may support muscle tissue by limiting the degradation of protein through nitrogen retention, glycogen synthesis, and protein synthesis. L-Glutamine may also assist in the fueling and detoxifying of the brain. Thus, L-Glutamine has been dibbed the thinker's amino. L-Glutamine's muscle and brain tissue supporting qualities have made L-Glutamine an invaluable addition to an athlete's regimen. Laboratory tested for quality and purity. (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.) Nutrition Facts Serving Size 1 teaspoon Servings Per Container 66 Amount Per Serving % Daily Value L-Glutamine 4,500 mg *percent Daily Values are based on a 2,000 calorie diet. Ingredients: *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. Directions As a dietary supplement, take one rounded teaspoon daily. Mix glutamine with water or your favorite beverage.