I-Vitamin E, njenge-antioxidant encibilikayo ngamafutha, isebenza "njengesivikelo" esiqinile kuwo wonke amangqamuzana omzimba.
Ekuphileni kwansuku zonke, imizimba yethu ihlale ibhekene nokuhlaselwa kwama-radicals mahhala, lawa ma-radicals mahhala afana nokubhujiswa okungalindelekile "kwabenzi bezinkinga", kuzolimaza ukwakheka kwamangqamuzana, kusheshise ukuguga komzimba kanye nezifo.
I-Vitamin E idlala indima esebenzayo ngokuthembela emandleni ayo e-antioxidant aqinile, ithatha isinyathelo sokulwa nama-radicals mahhala, ivikela ulwelwesi lwamangqamuzana e-oxidation, ivumela amangqamuzana ukuthi ahlale egcina ubungqabavu obunempilo, enciphisa ngempumelelo ingozi yokuqhekeka kwamangqamuzana, ukuze kuqinisekiswe ukusebenza okuhlelekile kwezitho zomzimba.