Mukafuna kupindula ndi kuchuluka kwa shuga m'maselo ndikukhala ndi mphamvu zokhazikika tsiku lonse, muyenera kuyang'ana glycemic index (GI) yazakudya. Izi zimapewa kudutsa gawo la hypoglycemia lomwe limatsatiridwa ndi hyperglycemia, kenako ndi hypoglycemia. Shuga wa m’zakudya zathu amadutsa mofulumira kapena mocheperapo kudutsa m’khoma la m’matumbo kupita m’mwazi ndiyeno kupita m’maselo amene amalowamo kuti akawotchedwe kapena kusungidwa. Ndilo index ya glycemic (GI) yomwe imapereka muyeso wa liwiro ili.

Un chakudya chochepa kapena chochepa cha GI ndizothandiza chifukwa zimathandiza kuwongolera shuga (= shuga wamagazi). a chakudya chambiri cha GI imachepetsa insulini yopangidwa ndi kapamba (= hormone yomwe imakankhira shuga m'selo ndikutsitsa shuga m'magazi) ndikulimbikitsa "chilakolako" komanso kulemera mwa kusunga shuga wosapsa.