What are beneficial actions of glutamine?

Glutamine benefits: Glutamine is an Amino Acid available as a dietary supplement. When taken at high doses (10 grams 3-4 times a day before start, throughout and after chemotherapy), some small non-randomized studies show that it may help prevent or reduce severity of chemotherapy side-effects like mouth sores (swish & swallow), neuropathy, muscle & joint aches & diarrhea. Caution in those with kidney/liver failure.