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Gut bugs may help athletes bounce back faster

NCT ID NCT05588674

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Jun 26, 2026

Summary

This study tested whether taking a multi-strain probiotic supplement for 8.5 weeks can improve exercise performance and recovery in recreational athletes. 36 healthy adults aged 18-40 who exercise regularly took either the probiotic or a placebo daily. Researchers measured things like cycling performance, muscle soreness, inflammation, and gut bacteria changes. The goal is to see if probiotics can help athletes recover more quickly after tough workouts.

What this could mean

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

Active substance
multi-strain probiotic supplement
What this could lead to
If it works, this could point toward a natural way to help athletes recover faster after intense exercise.
What could go wrong
This is a small, early-stage study with only 36 participants, so results may not apply to everyone. The effect on performance may be small or not noticeable.

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

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

36 people

The number who actually took part.

Started

Jan 2023

Finished

May 2024

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 40 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Age 18-40 * Involved in regular or structured exercise/sport programmes Exclusion Criteria: * Current use or previous use within 3 months of probiotic supplements * Current use or previous use within 3 months of antibiotics * A recent history of surgery/injury associated with impairment of cycling performance * History of chronic disease (excluding mild asthma) * Poor tolerance to any component of the supplement * Any blood-borne disorder/disease

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As listed by the trial registrant

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

Contacts and locations

Locations

  • Loughborough University

    Loughborough, LE11 3TU, United Kingdom

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