Gut bacteria and food triggers: new clues for IBS sufferers

NCT ID NCT04364750

First seen Apr 30, 2026 · Last updated May 12, 2026 · Updated 2 times

Summary

This study looked at why certain foods cause symptoms in people with irritable bowel syndrome (IBS). Researchers focused on how gut bacteria produce histamine when digesting specific carbohydrates (FODMAPs). Thirty adults with IBS followed a low-FODMAP diet and took special drinks and probiotic or placebo capsules to track changes in bacteria and symptoms.

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Contacts and locations

Locations

  • Kingston Health Sciences Centre

    Kingston, Ontario, K7L 2V7, Canada

  • McMaster University Medical Centre

    Hamilton, Ontario, L8N 3Z5, Canada

Conditions

Explore the condition pages connected to this study.