L-Dopa and pyridoxine.
D003653:Decarboxylation; D004295:Dihydroxyphenylalanine / Q000037:antagonists & inhibitors* / Q000378:metabolism / Q000627:therapeutic use; D004298:Dopamine / Q000652:urine; D006801:Humans; D010084:Oxidation-Reduction; D010300:Parkinson Disease / Q000188:drug therapy* / Q000378:metabolism; D011732:Pyridoxal Phosphate / Q000378:metabolism*; D011736:Pyridoxine / Q000494:pharmacology* / Q000627:therapeutic use
D011732:Pyridoxal Phosphate; D004295:Dihydroxyphenylalanine; D011736:Pyridoxine; D004298:Dopamine