Ƙananan ƙwayoyin peptide suna taka muhimmiyar rawa a cikin sel, ba wai kawai samar da abinci mai gina jiki da gyarawa ba, amma kuma inganta ayyuka, a halin yanzu, yana da alhakin ɗaukar kayan aiki da kayan aiki.
Ƙananan peptides na kwayoyin suna inganta haɓakar ƙwayoyin cuta na tsakiya na tsakiya (mucosa na ciki, bango na capillary, alveolar, meningeal membrane, jajayen jini na jini, ginshiƙan ginshiƙan glomerular), na iya shawo kan abubuwan gina jiki da kyau, fitar da gubobi, da kuma kare kariya daga mamayewa.
Ƙananan ƙwayoyin peptide suna samar da amino acid daban-daban, waɗanda zasu iya taimakawa jiki don samar da sabon nama don maye gurbin kyallen takarda da suka lalace.