Glutamine powder is a powdered, nonessential amino acid, glutamine, which is important in the metabolic process. Glutamine is important in DNA and RNA synthesis. N-Acetyl L-Glutamine is an acetylated analog of L-Glutamine. Glutamine powder is most commonly used by athletes and bodybuilders to help boost exercise endurance and to aid in recovery.* Glutamine powder also supports immune function, contributes to healthy metabolic function, and benefits gut and digestive health.** These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.