L-serine o se amino acid e masani ona faʻaaogaina i vailaʻau, mea tau soifua maloloina, meaʻai tau taʻaloga, mea teuteu ma meaʻai. E togafitia faʻamaʻi faʻamaʻi tuufaasolo, lagolagoina le soifua maloloina o le mafaufau ma lagona, faʻateleina le malosi o maso ma le tumau, faʻaleleia le paʻu ma lauulu, ma faʻaleleia meaʻai ma le tofo.