Abstract

Elemental diets contain protein, fat and carbohydrate subunits which can be absorbed without digestion. They have been used both pre- and postoperatively in patients with severe disorders of digestive or absorptive function.^1–3 Their use reduces stool bulk,^{4 5} and they have been suggested for preparation before surgery⁵ and radiology⁶ or colonoscopy.^{7 8}