Vitamine zvinhu zvakakosha zvekuchengetedza hupenyu uye hutano.Icho chinhu chakakosha kuti imbwa dzichengetedze hupenyu, kukura uye kukura, kuchengetedza zvakajairwa physiological mabasa uye metabolism.Mavhitamini haana kushomeka mukudya kwembwa kupfuura mapuroteni, mafuta, makabhohaidhiretsi nemamineral.Kunyange zvazvo mavhitaminzi asiri anopa simba kana kuti chinhu chikuru chinoumba matishu emuviri, basa rawo riri muzvinhu zvawo zvipenyu zvakanyanya.Mamwe mavhitamini ari kuvaka zvidhinha zveenzayimu;zvimwe zvakaita sethiamine, riboflavin, uye niacin zvinoumba macoenzymes pamwe nemamwe.Aya ma enzymes uye coenzymes anobatanidzwa mumakemikari ekuita maitiro mune akasiyana metabolic maitiro embwa.Naizvozvo, inoita basa rakakosha mumetabolism yemapuroteni, mafuta, makabhohaidhiretsi, inorganic munyu uye zvimwe zvinhu zviri mumuviri.