5-HTP, cikakken suna 5-Hydroxytryptophan, wani fili ne da aka haɗa daga amino acid tryptophan wanda aka samo asali. Ita ce farkon serotonin a cikin jiki kuma an daidaita shi zuwa serotonin, ta haka yana shafar tsarin neurotransmitter na kwakwalwa. Ɗaya daga cikin manyan ayyuka na 5-HTP shine haɓaka matakan serotonin. Serotonin wani neurotransmitter ne wanda ke taka muhimmiyar rawa wajen daidaita yanayi, barci, ci, da hangen jin zafi.