IBS supplements have varying evidence. Some have reasonable support for symptom reduction. Best supplements for ibs includes options that may help. Low-FODMAP diet has stronger evidence than most supplements.
Supplements with evidence
Peppermint oil (enteric-coated): Substantial evidence for IBS pain. Enteric coating critical to deliver to intestine. 0.2 mL three times daily.
Probiotics: Some evidence; specific strains matter. Bifidobacterium infantis 35624 (Align) most studied.
Soluble fiber (psyllium): Helpful for IBS-C. Insoluble fiber may worsen symptoms.
Glutamine: Some evidence for diarrhea-predominant IBS.
Limited evidence
- Most “gut health” blends
- Many digestive enzymes
- Activated charcoal
Low-FODMAP diet
Strong evidence for IBS symptoms. More effective than most supplements:
- Eliminate high-FODMAP foods for 2-6 weeks
- Reintroduce systematically
- Identify personal triggers
- Work with dietitian if possible
Frequently Asked Questions
Does peppermint oil really work?
Substantial evidence for IBS pain when enteric-coated.
What probiotic should I take for IBS?
Bifidobacterium infantis 35624 most evidence. Effects modest.
Is fiber good or bad for IBS?
Soluble fiber generally helpful. Insoluble may worsen symptoms.
Should I try low-FODMAP?
Strong evidence for IBS. Most effective dietary intervention.
What about CBD for IBS?
Limited evidence specifically for IBS.
The bottom line on IBS supplements
Peppermint oil and specific probiotics have evidence. Low-FODMAP diet often more effective. Discuss with gastroenterologist for persistent symptoms.