Uric acid shine matsakaicin samfur na purine metabolism. Ana samar da shi ta hanyar oxidation na xanthine ta xanthine oxidase. Wani nau'i ne na oxypurine tare da kaddarorin antioxidant. A mafi yawan dabbobin ƙasa, urate oxidase na iya haifar da ƙarin oxidation na uric acid zuwa allantoin, amma urate oxidase gene na mutane da wasu primates masu ci gaba ba su taka rawar gani ba, don haka uric acid ba zai kara lalacewa a cikin jiki ba. Dalilin da yasa aikin urate oxidase ya ɓace a cikin tsarin juyin halittar ɗan adam har yanzu tambaya ce da za a bincika. Abubuwan antioxidant na uric acid sun sa masu bincike suyi hasashen cewa wannan maye gurbi zai amfana da primates da mutane na farko. Sakamakon binciken akan daidaitawar kwayoyin halitta zuwa wurare masu tsayi suna goyan bayan hasashen cewa uric acid a matsayin antioxidant na iya rage yawan damuwa na iskar oxygen da ke haifar da hypoxia mai tsayi. A cikin gwaje-gwajen dabbobi akan cututtuka da ke haifar da damuwa na oxidative, an gano cewa uric acid na iya hana ko rage cututtuka. Masu bincike sun dangana shi ga kaddarorin antioxidant na uric acid. Sakamakon bincike akan tsarin antioxidant na uric acid shima yana goyan bayan wannan shawara.
Ga mahara sclerosis, Gwen Scott ya bayyana muhimmancin uric acid a matsayin antioxidant ga mahara sclerosis. Matsayin uric acid a cikin jini yana da alaƙa da haɓakar sclerosis da yawa, saboda maganin ƙwayar cuta mai yawa. Mafi mahimmanci, ana iya amfani da uric acid don maganin rashin lafiyar cerebrospinal na gwaji - samfurin dabba na mahara sclerosis. A takaice dai, ko da yake tsarin uric acid a matsayin antioxidant yana da goyon baya sosai, da'awar cewa matakin uric acid a cikin jiki yana rinjayar haɗarin sclerosis da yawa har yanzu yana da rikici kuma yana buƙatar ƙarin bincike.
Uric acid yana da mafi girman taro na duk maganin antioxidants na jini, kuma rabin jimlar ƙarfin antioxidant a cikin jinin ɗan adam yana ba da gudummawa da shi. Ayyukan antioxidant na uric acid yana da rikitarwa sosai. Ba zai iya amsawa da wasu oxidants kamar superoxide ba, amma yana iya samun tasirin antioxidant akan peroxynitrite, peroxide da hypochlorous acid.
