Key Ingredients: ✓ Each serving of GNC L-Glutamine powder supplies 5,000mg of L-Glutamine and blends easily with and beverage or sports drinks ✓ It serves as fuel for the immune system and maintenance of proper intestinal function ✓ Pro Performance L-Glutamin is tested and certified Banned Substance Free ✓ GNC L-Glutamine powder is gluten and lactose free Benefits: ✓ Supplementation with GNC L-Glutamine may help maintain the glutamine levels that have been depleted as a result of intense exercise ✓ Glutamine, as an independent amino acids is involved in protein synthesis and plays a pivotal role in the body’s nitrogen balance ✓ It helps fuel immune system and maintenance of proper intestinal function Use: Mix one scoop (5g) twice daily in a beverage or shake. For maximum results, take one serving (5g) post-exercise