GNC Pro Performance L-Glutamine 5000mg Amino Acid Supplement Powder Supports Muscle Recovery Function Immune System Plays Key Role in Protein Synthesis Unflavored 181 Servings

- 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. - Backed By Science: Since 1935, GNC has been committed to meeting the highest standards of quality, safety, and efficacy