Elemental diet

An elemental diet is a diet that proposes the ingestion, or in more severe cases use of a gastric feeding tube or intravenous feeding, of liquid nutrients in an easily assimilated form. It is usually composed of amino acids, fats, sugars, vitamins, and minerals.

Supplies
Food supplies compatible with the Elemental Diet are available from a few vendors in powdered or pre-mixed form. It is also possible to create a homemade preparation.

Commercial Products

 * Vivonex by Nestle - available in a powdered and pre-mixed form. Taste is often reported to be difficult to tolerate.
 * Absorb Plus by Listen to Your Gut - available in powered form. Available in various flavors.
 * Physicians' Elemental Diet by Integrative Therapeutics - available in powered form. Only sold through physicians / not available over the counter.

Homemade

 * Homemade Elemental Diet by Dr. Allison Siebecker