Melatonin ni imisemburo isohorwa n’inyamabere n’inyamabere n’inyamabere y’abantu, ifite imirimo itandukanye y’ibinyabuzima, harimo kuzamura ireme ry’ibitotsi, kurwanya gusaza, no kurinda imiyoboro y’amaraso. By'umwihariko, melatonin igira ingaruka zo guteza imbere ibitotsi, bigabanya igihe cyo gusinzira, kuzamura ireme ryibitotsi, kugabanya umubare wibyuka nijoro, no kongera igihe kinini cyo gusinzira. Byongeye kandi, melatonin nayo ni antioxydants ikomeye cyane, ishobora gukuraho radicals yubusa mumubiri, gutinda gusaza, kandi ikagira ingaruka zubwiza nubwiza.Melatonin igira kandi ingaruka zo gukingira imiyoboro y'amaraso.