http://www.bodybuilding.com/store/glutamine.html

http://www.allstarhealth.com/lj_c/glutamine.htm

http://www.fitwise.com/L-Glutamine_Information.asp

http://www.wellfx.com/InfoBase/vitamin_glutamine_.htm

http://www.intense-workout.com/l-glutamine.html

http://www.mayoclinic.com/health/drug-information/DR600731

http://www.umm.edu/altmed/articles/glutamine-000307.htm

http://www.drugs.com/cons/Glutamine.html

http://www.hartnutrition.co.uk/pages/glutamine.html

http://www.hartnutrition.co.uk/pages/glutamine-facts.html