L-Glutamine is an amino acid produced by the body and found in protein-containing foods. It contributes to nitrogen transport and can serve as fuel for certain cells.
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Mix the powder only as directed on its label and keep the container tightly closed in the storage conditions listed on the package. Avoid combining multiple glutamine-containing products without checking the total amount.
L-Glutamine is commonly used in products positioned for exercise recovery and general sports nutrition. A systematic review found no consistent benefit for aerobic performance or body composition in athletes, although research continues on specific outcomes.