Impulusi ye-maca yenziwa kusukela empandeni yemaca yemvelo ngokusebenzisa ukumisa okubandayo nokugaya kahle kakhulu. Inothe ngama-amino acid, amavithamini, amaminerali kanye nama-alkaloid emaca. Isiza ukulinganisa ama-endocrine, ukukhulisa amandla omzimba, ukudambisa ukukhathala nokuthuthukisa amasosha omzimba. 

Isetshenziswa kabanzi kuzithako zokudla, impuphu yokubuyisela ukudla kanye nokudla okunempilo okusebenzayo ukuze kuthuthukiswe umzimba nsuku zonke.