GNC Pro Performance L-Glutamine Powder 5000-Unflavored

5000mg L-Glutamine Key Amino Acid for Muscles* Fuels the Immune System* Supplementation may help maintain glutamine levels that have been depleted as a result of intense exercise.* Glutamine is involved in protein synthesis and plays a pivotal role in the body's nitrogen balance.* It serves as fuel for the immune system and maintenance of proper intestinal function.* Pro Performance Quality Pro Performance L-Glutamin is tested and certified Banned Substance Free.* It is gluten free, lactose free and mixes easily with your favorite beverage.