'''''gamma''-Glutamylmethylamide''', also known as '''GMA''', '''''N''-methyl-<small>L</small>-glutamine''', and '''metheanine''', is an amino acid found in green tea, which is structurally related to <small>L</small>-[[theanine]] and <small>L</small>-glutamine. | '''''gamma''-Glutamylmethylamide''', also known as '''GMA''', '''''N''-methyl-<small>L</small>-glutamine''', and '''metheanine''', is an amino acid found in green tea, which is structurally related to <small>L</small>-[[theanine]] and <small>L</small>-glutamine. |