Glutamine is taken up in cells of the intestine and then oxidized, strengthening the overall structure.SOURCES: Small amounts of free L-glutamine are found in vegetable juices and fermented foods, such as miso and yogurt.DOSAGE: Typical doses for those with cancer, AIDS, trauma, burns, infections and other stress-related conditions range from 4 to 21 grams daily.Also used for chemotherapy- or radi