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Curr Sports Med Rep. 2007 Jul;6(4):265-8.

Glutamine: the nonessential amino acid for performance enhancement.

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University of Iowa Children's Hospital, Iowa City, IA 52242, USA.


Glutamine is a popular dietary supplement consumed for purported ergogenic benefits of increased strength, quicker recovery, decreased frequency of respiratory infections, and prevention of overtraining. From a biochemical standpoint, glutamine does play a physiologic role in each of these areas, but it remains only one of a host of factors involved. This review examines the effects of glutamine on exercise and demonstrates a lack of evidence for definitive positive ergogenic benefits as a result of glutamine supplementation.

[Indexed for MEDLINE]

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