O lenei fa'asologa fa'asologa o kalama e faia i le alava tioata sili, e fa'aalia ai le maualuga o le palapala e mafai ona taofiofia, e fa'atatau i le fa'amama muamua o kasa ma vai.Ona o le ultralow protein absorption gafatia, o loʻo faʻaaogaina lautele i bio-pharmacy.