L-serine ni aside amine ikoreshwa cyane mubuvuzi, ibikomoka ku buzima, imirire ya siporo, amavuta yo kwisiga n'inganda. Ivura indwara ziterwa na metabolike yarazwe, ishyigikira ubuzima bwo mu mutwe no mu marangamutima, yongerera imbaraga imitsi no kwihangana, itezimbere uruhu n'umusatsi, kandi ikongera ibiryo n'ibirungo.