5-HTP, zita rakazara 5-Hydroxytryptophan, isanganiswa yakagadzirwa kubva kune yakasikwa amino acid tryptophan. Ndiyo inotangira serotonin mumuviri uye inogadziriswa kuita serotonin, nokudaro ichikanganisa neurotransmitter system yeuropi. Imwe yemabasa makuru e5-HTP ndeyekuwedzera serotonin mazinga. Serotonin inonzi neurotransmitter inoita basa rakakosha mukugadzirisa manzwiro, kurara, kudya, uye marwadzo maonero.