Integrative Therapeutics Physicians' Elemental Dextrose Free 42.2 oz 36 srvngsDescription Elemental Diet for Patients with Moderate to Severe Gastrointestinal Digestive Impairment Physicians' Elemental Diet Dextrose Free is intended for use under medical supervision for the dietary management of patients with GI dysfunction. The elemental diet is designed for the dietary management of: Irritable bowel and Crohn's disease Small intestinal bacterial overgrowth (SIBO) Moderate to severe impaired gastrointestinal function.