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Gut check: probiotics may give runners an edge

NCT ID NCT07411482

Ongoing Knowledge-focused Sponsor: Medical University of Gdansk Source: ClinicalTrials.gov ↗

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at whether taking probiotics for 4 weeks, along with a personalized diet, can improve endurance and gut health in marathon runners. Researchers will measure oxygen use, inflammation, and gut bacteria in 27 male runners. The goal is to see if these changes help with running performance.

What this could mean

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

Active substance
probiotic mixture (Sanprobi Active & Sport)
What this could lead to
If successful, this could show that probiotics combined with a personalized diet improve endurance and reduce inflammation in athletes.
What could go wrong
This is a small, early-stage study with only 27 participants, so results may not apply to all runners. The effect of probiotics on performance is still uncertain.

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

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As listed by the trial registrant

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

INTESTINAL MICROBIOME PROBIOTIC RUNNERS

Contacts and locations

Locations

  • Medical University of Gdańsk

    Gdansk, Poland

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