Can fermented kimchi capsules calm an irritable gut?

NCT ID NCT07749092

First seen Aug 06, 2026 · Last updated Aug 07, 2026 · Updated 1 time

Summary

This study tests whether taking kimchi powder capsules for 8 weeks can improve gut health in adults with diarrhea-predominant irritable bowel syndrome (IBS-D). Participants will be randomly assigned to receive either kimchi powder or an identical placebo, and researchers will track changes in IBS symptoms like abdominal pain and stool consistency. The goal is to see if this fermented food supplement offers a natural way to ease digestive discomfort.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance
Kimchi powder in capsule form
What this could lead to
If kimchi powder proves effective, it could offer a natural, food-based option to ease IBS-D symptoms like abdominal pain and diarrhea.
What could go wrong
This is an early-stage trial with a modest size, and the placebo effect can be strong in IBS. Results may not apply to everyone, and the supplement might not outperform placebo.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Pusan National University Yangsan Hospital

    RECRUITING

    Yangsan, 50612, South Korea