Melatonin ni imisemburo isohorwa n’inyamabere na gine ya pineine yubwonko bwumuntu, kandi ifite uruhare rwibinyabuzima bitandukanye, harimo kugenzura ibitotsi no gukanguka, antioxydeant, anti-inflammatory, na neuroprotective.Uruhare nyamukuru rwa melatonin ni ugutera ibitotsi, kwibutsa abantu ko igihe kigeze cyo gusinzira, no kugabanya igihe cyo gusinzira no kuzamura ibitotsi.Byongeye kandi, ifite kandi antioxydants ikomeye, ishobora gukuraho radicals yubusa mumubiri kandi ikarinda selile kwangirika kwa okiside.Muri icyo gihe, melatonin nayo igira ingaruka zo kurwanya inflammatory, irashobora kugabanya gucana, kugabanya ububabare no kubyimba nibindi bimenyetso, kandi igira ingaruka runaka mukuvura arthrite, goute nububabare budakira.