date:May 10, 2012
uding excessive exercise and training, levels of the amino acid may fall below normal levels, and supplementation may restore levels.
Evidence showing how the form of the amino acid affects blood levels is limited, said the researchers, and so they sought to compare blood levels of glutamine after ingestion of L-glutamine supplied in the free form to a near-equivalent dose of the amino acid supplied as a dipeptide with alanine or as a polypeptide produced from the hydrolysis of wheat protein.