L-phenylalanine.
D000929:Antidepressive Agents, Tricyclic / Q000627:therapeutic use; D001714:Bipolar Disorder / Q000188:drug therapy* / Q000523:psychology; D004359:Drug Therapy, Combination; D006801:Humans; D010649:Phenylalanine / Q000008:administration & dosage / Q000627:therapeutic use*; D011736:Pyridoxine / Q000008:administration & dosage
D000929:Antidepressive Agents, Tricyclic; D010649:Phenylalanine; D011736:Pyridoxine