About the product
- Backed By Science: Since 1935, GNC has been committed to meeting the highest standards of quality, safety, and efficacy while applying the most up-to-date advances in nutritional science so you can live well
- 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 capsules from GNC Pro Performance are 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
