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Beetroot waffles: the secret weapon for rugby players?

NCT ID NCT07106489

Symptom relief Sponsor: Universidad Nacional de Colombia 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested whether beetroot extract, given as a waffle, could improve speed, strength, and fatigue in 10 trained rugby players. Participants took beetroot or a placebo before sprint and fitness tests. The goal was to see if the nitrates in beetroot help in intermittent sports like rugby.

What this could mean

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

Active substance
beetroot extract (nitrates)
What this could lead to
If it works, this could point toward a natural supplement to boost athletic performance in intermittent sports like rugby.
What could go wrong
This is a very small, completed trial with only 10 participants, so results may not apply to all athletes. The effect of beetroot on speed and strength is still uncertain.

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

10 people

The number who actually took part.

Started

Feb 2025

Finished

Mar 2025

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

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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: * Belong to one of the two Rugby Clubs invited to participate * Legal age * Have trained/played rugby for more than 6 months. Exclusion Criteria: * Have had a sports injury in the last 6 months or during the study * Use of nutritional supplements during the study. * Use of mouthwash during the study. * Have health conditions that require specific medical treatment.

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As listed by the trial registrant

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

Athletic performance

Contacts and locations

Locations

  • Universidad Nacional de Colombia

    Bogotá, Colombia

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