I-L-serine i-amino acid esetshenziswa kakhulu kwezokwelapha, emikhiqizweni yezempilo, umsoco wezemidlalo, izimonyo kanye nezimboni zokudla. Yelapha izifo ezitholwa ngofuzo ze-metabolic, isekela impilo engokwengqondo nengokomzwelo, yandisa amandla emisipha nokukhuthazela, ithuthukisa ukuthungwa kwesikhumba nezinwele, futhi ithuthukise ukuthungwa nokunambitha kokudla.