gutModerate

Elemental Diet

A pre-digested liquid formula of amino acids, simple carbohydrates and fats that is absorbed in the upper gut, leaving little food for bacteria in the small intestine.

Evidence Score

62/100

Developer

Various (elemental formulas); SIBO research by Dr. Mark Pimentel

Duration

14 to 21 days typical for SIBO; longer only with a gastroenterologist

Steps

9 phases

Used for

2 conditions

Protocol Overview

A pre-digested liquid formula of amino acids, simple carbohydrates and fats that is absorbed in the upper gut, leaving little food for bacteria in the small intestine. Used as the only source of nutrition for a short period, under a clinician, for SIBO or to rest the gut.

Used For

SIBOCrohn's disease flares (with a gastroenterologist)

Key Resources

Pimentel M et al., Digestive Diseases and Sciences 2004 (elemental diet for SIBO)

Safety Profile

Contraindications & Risks
Diabetes or blood sugar problems (formulas are high in simple sugars; your clinician must plan this and adjust medication), underweight or malnutrition, pregnancy, eating disorder history, children only under a clinician
Important Notes

In an uncontrolled study, most people with SIBO had a normal breath test after 2 to 3 weeks on an elemental diet. Exclusive liquid nutrition is a well-studied option for children with Crohn's disease, used by gastroenterologists alongside standard care. Elemental formulas are costly and hard to drink, and this is not a long-term diet.

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EvidenceModerate
Evidence Score62/100
Categorygut
Duration14 to 21 days typical for SIBO; longer only with a gastroenterologist

About Evidence Score

The Evidence Score (0 to 100) rates the strength of evidence from studies in people for the uses listed: higher means stronger, more consistent research. It does not measure safety. It is not medical advice.

For education, not medical advice. Talk with a licensed clinician before you start, and never stop or change a prescribed medication without your prescriber.