It is sometimes used to improve muscle performance in animals like racing horses, and it is also used to increase milk production in dairy cows
Further research is also required to understand the mechanism by which oral glutamine enhances immunity in cancer patients and to determine whether glutamine should be administered to all patients undergoing chemotherapy or radiotherapy, as well as the potential use of glutamine metabolism inhibitors
the risk was lower for leukemias and cancers of the oral cavity, stomach, colon, liver, lung, and pancreas 108
Scientific and institutional sources All figures and dates cited in this comparison are based on published clinical trials and the following official opinions, verified on May 8, 2026
Starting without deficiency correction data or clinical indication increases cost without evidence of benefit
This body-composition profile is mechanistically consistent with GIPR-driven adipose lipolysis combined with the satiety-mediated caloric deficit, rather than generalized catabolism
