IVithamin E, njenge-antioxidant enyibilikayo ngamafutha, isebenza "njengesikrweqe sokukhusela" esinamandla kuyo yonke iseli emzimbeni.
Kubomi bemihla ngemihla, imizimba yethu ihlala iphantsi kohlaselo lwe-radical yasimahla, ezi radicals zasimahla zifana nokutshatyalaliswa okungafunekiyo "kweenkathazo", kuya konakalisa ukwakheka kweeseli, ukukhawulezisa ukuguga komzimba kunye nezifo.
I-Vitamin E idlala indima esebenzayo ngokuthembela kwi-antioxidant yayo eyomeleleyo, ithatha inyathelo lokuqala lokulwa ne-radicals yamahhala, ikhusela i-membrane yeseli kwi-oxidation, ivumela iiseli ukuba zihlale zigcina amandla aphilileyo, zinciphisa ngokufanelekileyo umngcipheko wokuqhekeka kweeseli, ukwenzela ukuba kuqinisekiswe ukusebenza ngokufanelekileyo kwamalungu omzimba.