Gut health for the mind: postbiotics tested as mood boosters

NCT ID NCT06982599

Ongoing Symptom relief Sponsor: Hanyang University Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether taking postbiotics (a dietary supplement) for 8 weeks can reduce depressive symptoms and improve mood in Korean adults aged 19-39 with mild to moderate mood issues. Fifty-two participants will receive either postbiotics or a placebo, and their mood will be tracked using questionnaires and real-time surveys. The goal is to see if this gut-related supplement offers a simple way to ease mood problems.

What this could mean

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

Active substance: postbiotics (dietary supplement)
What this could lead to: If it works, this could point toward a simple, over-the-counter supplement to help manage mild mood symptoms.
What could go wrong: This is a small, early-stage trial with only 52 participants. The effect may be small or no better than placebo, and results may not apply to other populations.

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Conditions

The condition(s) this trial relates to.

mood disorder

As listed by the trial registrant

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

MOOD DISORDER

Contacts and locations

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Locations

Hanyang University

Seoul, Seoul, 04763, South Korea

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