The amino acid L-Glutamine is a conditionally essential amino acid. It can be made in the body, and is derived from glutamic acid which is found in protein-rich foods such as red meat, nuts and fish, but it becomes essential when the body is under intense metabolic stress. Under these circumstances supplementation may be required. L-Glutamine is the highest concentrated amino acid in the bloodstream and comprises nearly 60% of the body's total amino acid count. It plays a role in intestinal, immune and brain health. It also regulates nitrogen transport to and from muscle tissue.
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