alimentary
/ˌæləˈmɛnt(ə)ri/
adjective
Relating to nourishment or sustenance.
Total parenteral nutrition is a preparation of nutrients given via intravenous infusion to patients, of any age, who cannot feed normally through the alimentary tract.
healthy,health-giving,healthful,good,good for one,beneficial,sustaining,strengthening,nutritious,nourishing,full of nourishment,full of nutrients,nutritive,unrefined