Optimum Nutrition Glutamine Powder provides 5g of the amino acid L-Glutamine in each serving. Muscle is broken down during training. After training, the body uses protein to repair muscle fibers.
Glutamine is one of the important building blocks of protein. Glutamine comprises over 60% of the free amino acid pool in skeletal muscle and over 20% of total circulating amino acids.
Dietary Supplement
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