5-HTP, dzina lonse 5-Hydroxytryptophan, ndi pawiri opangidwa kuchokera mwachilengedwe amino acid tryptophan. Ndi kalambulabwalo wa serotonin m'thupi ndipo imapangidwa kukhala serotonin, motero imakhudza dongosolo la ubongo la neurotransmitter. Imodzi mwa ntchito zazikulu za 5-HTP ndikuwonjezera milingo ya serotonin. Serotonin ndi neurotransmitter yomwe imagwira ntchito yofunikira pakuwongolera malingaliro, kugona, chilakolako, komanso kumva ululu.