Increase height with 11 foods and nutrients Glutamine (symbol Gln or Q) is an α-amino acid that is used in the biosynthesis of proteins. Its side chain is similar to that of glutamic acid, except the carboxylic acid group is replaced by an amide. Previous 1 2 3 4 5 6 7 8 9 10 11 2019-10-27 admin Share ! tweet