I-rice bran extract iyingxenye yezakhi ezikhishwe ku-rice bran, ungqimba lwangaphandle lwerayisi. I-rice bran, okuwumkhiqizo wokucubungula irayisi, inothe ezinhlobonhlobo zezakhamzimba nezinto eziphilayo. Ukukhishwa kwe-rice bran kucebile ezinhlobonhlobo zezakhi, kuhlanganise: I-Oryzanol , i-vitamin B iqembu (kuhlanganise namavithamini B1, B2, B3, B6, njll.) kanye ne-vitamin E, i-beta-sitosterol, i-gamma-glutamin. I-Rice bran extract ithole ukunakwa okukhulu ngezinzuzo zayo zezempilo, ikakhulukazi emkhakheni wezithako zezempilo kanye nokudla okusebenzayo.