Could a postbiotic soothe irritable bowel syndrome?

NCT ID NCT07699926

First seen Jul 13, 2026 · Last updated Jul 15, 2026 · Updated 2 times

Summary

This study tests whether a daily postbiotic supplement called PosBion® can ease symptoms and improve quality of life in adults with irritable bowel syndrome (IBS). Participants take two sachets of the supplement each day for 12 weeks. Researchers measure changes in IBS symptoms, gut health, and related biomarkers using questionnaires and saliva samples.

What this could mean

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

Active substance
PosBion® (inactivated Lactobacillus plantarum RS5 and RI11)
What this could lead to
If it works, this could offer a natural, over-the-counter option to help manage IBS symptoms and improve gut health.
What could go wrong
This is a small, single-arm, open-label study with no placebo group, so results may be biased or not generalizable. The supplement may not work for everyone.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for GUT HEALTH are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

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

  • UCSI University

    Cheras, Kuala Lumpur, 56000, Malaysia

More trials for these conditions

Other studies related to the condition(s) this trial covers.