Nanazi ndi chipatso chokoma modabwitsa komanso chathanzi. Imadzaza ndi michere, ma antioxidants, ndi zinthu zina zothandiza, monga ma enzymes omwe angateteze ku kutupa ndi matenda. Mananazi amalumikizidwa ndi maubwino angapo azaumoyo, kuphatikiza kusintha kwa chimbudzi, chitetezo chokwanira, komanso kuchira kuchokera ku opaleshoni.