5-HTP, lebitso le felletseng la 5-Hydroxytryptophan, ke motsoako o entsoeng ho tsoa ho tryptophan ea amino acid e nkiloeng ka tlhaho. Ke selelekela sa serotonin 'meleng' me se fetoloa hore e be serotonin, kahoo e ama tsamaiso ea boko ea methapo ea kutlo. E 'ngoe ea mesebetsi ea mantlha ea 5-HTP ke ho eketsa maemo a serotonin. Serotonin ke neurotransmitter e bapalang karolo ea bohlokoa ho laola maikutlo, boroko, takatso ea lijo le maikutlo a bohloko.