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Hydrogen water: the new secret for athlete recovery?

NCT ID NCT05799911

Symptom relief Sponsor: Palacky University Source: ClinicalTrials.gov ↗

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at whether drinking hydrogen-rich water can improve performance and recovery in national-level fin-swimmers. Fourteen elite athletes took part in a double-blind, placebo-controlled crossover trial. Researchers measured swimming times, muscle fatigue, and oxidative stress after repeated exercise.

What this could mean

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

Active substance
hydrogen-rich water
What this could lead to
If it works, this could point toward a simple way to help athletes recover faster after intense exercise.
What could go wrong
This is a very small, early-stage trial with only 14 participants, so results may not apply to other people or sports. The effect may be small or due to chance.

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

14 people

The number who actually took part.

Started

Apr 2023

Finished

May 2023

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

16 to 30 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: * Junior or adult Czech fin-swimming representative. * Medical eligibility for competitive sport. * Good health condition. * Signed informed consent. Exclusion Criteria: * Acute health problems. * Not following instructions (free of any supplements three weeks before experiment, free of any medicaments, no caffeine at least 24 hours before experiment). * Menstruation in testing session.

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As listed by the trial registrant

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

Athletic performance Muscle fatigue Oxidative stress

Contacts and locations

Locations

  • Palacky University, Faculty of Physical Culture

    Olomouc, 77111, Czechia

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