Cysteine ??ndechimwe chezvikamu zve glutathione, iyo inogona kukurumidza kuchembera kwemahara radicals. Cysteine ??inogona kushandurwa kubva ku methionine mumuviri, uye izvi zvinoda kubatanidzwa kwevhitamini B6. Zvichakadaro, kana yakatorwa pamwe chete neselenium uye vhitamini E, cysteine ????inogona kuita yakanyanya kushanda kwayo. Mukuwedzera, cysteine ??ine huwandu hwakawanda hwesarufa, iyo inobatsira kubvisa zvinhu zvine chepfu kudzivirira masero.