Glutamine has recently been the focus of much scientific interest. 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 (an anabolic state) and also aids rapidly growing cells (Defense mechanism of body lymphocytes and intestinal cell entercocytes). In addition, Glutamine is a regulator of acid-base balance and a nitrogen transporter.