Now L-Glutamine Powder is pure, free form L- glutamine that supports muscle mass. Non-GMO.
A growing body of evidence suggests that during certain stressful times, the body may require more Glutamine than it can produce. Under these circumstances Glutamine may be considered a "conditionally essential" amino acid. Glutamine is involved in maintaining a positive nitrogen balance and also aids rapidly growing cells. In addition, Glutamine is a regulator of acid-base balance and a nitrogen transporter.*