elemental diet formula; elemental nutritional supplement
Medical term for a liquid nutritional product containing nutrients in their simplest forms, used for patients who cannot digest regular food.
Elemental diet formulas are sometimes prescribed for patients with Crohn's disease.
経腸栄養剤 is a broader term for any enteral nutrition product, while 成分栄養剤 specifically refers to elemental diets where nutrients are broken down into their simplest components.
Compound of 成分 (ingredient, component), 栄養 (nutrition), and 剤 (preparation, medicine). The term is a direct translation of the English 'elemental diet'.