Zopatsa thanzi za ziwetondi zinthu zomwe zimapereka zakudya zopatsa thanzi kwa ziweto, zomwe zimapangidwa kuti zikwaniritse zosowa zomwe ziweto zikusowa pazakudya zawo zatsiku ndi tsiku. Mankhwalawa nthawi zambiri amakhala ndi mavitamini, mchere, amino acid, mafuta acids ndi zinthu zina, zomwe zingathandize ziweto kukhala ndi thanzi labwino, kulimbikitsa chitetezo cha mthupi, kupititsa patsogolo ubweya, kuthandizira thanzi labwino, ndi zina zotero. kuwoneka mu mawonekedwe a mawonekedwe a mlingo wapakamwa, monga mapiritsi, ufa, granules, zakumwa kapena makapisozi ofewa.
