Step Up To Bigger, Muscle-Building Workouts: GNC Pro Performance L-Glutamine serves as fuel for muscular function and may help maintain glutamine levels that have dipped during challenging training sessions.
Fuel Your Immune System & Healthy Gut Function: L-Glutamine powder from GNC Pro Performance is also a convenient way to provide more fuel for your immune system and maintenance of proper intestinal function.
Trust Third-Party Tested Amino Acids: GNC Pro Performance L-Glutamine is certified Banned Substance Tested and designed to help athletes fuel their full potential.