Glutamine is the amino acid that is essential for maintaining intestinal function, immune response, and amino acid homeostasis during times of severe stress. It also serves as a precursor of other amino acids. It supplies gastrointestinal tract cells with a source of metabolic fuel and thus improves their function. Glutamine is used to treat various gastrointestinal disorders such as irritable bowel syndrome, ulcerative colitis, and Chron''s Disease. It is also used to enhance exercise performance.
