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Orange you curious? new supplement study targets athletic and brain power

NCT ID NCT07341789

Knowledge-focused Sponsor: Francisco Javier Martínez Noguera 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 This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looks at whether a new vitamin B12 supplement, natural orange extract, or a mix of both can boost physical and mental performance. It involves 20 healthy, well-trained men aged 18-45 who regularly eat citrus fruits. Participants will do intense bike tests and reaction-time tasks to measure any changes.

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

About 20 people

The number the study aims to enrol. It can still change while the study runs.

Started

Dec 2025

Expected to finish

Jun 2026

An estimate. End dates often move.

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 45 years

Sex

Male participants only

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: * Healthy male (to be certified through medical examination and health analysis). * Aged 18-45 years. * Well-trained (3-6 training sessions per week). * Habitual consumer of citrus fruits (orange, mandarin, lemon, or grapefruit, either fresh or juiced). Exclusion Criteria: * Smokers or regular alcohol drinkers. * Persons suffering from a metabolic, cardiorespiratory or digestive pathology or anomaly. digestive system. * People who have suffered an injury in the last 6 months that limits the performance of the study tests. of the study tests. * People taking supplements or medication in the 2 weeks before the start of the study.

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Conditions

The condition(s) this trial relates to.

Mental Fatigue vitamin B12 deficiency

As listed by the trial registrant

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

Biomarker feedback Flavonoids Mental fatigue Supplementation during endurance performance Vitamin B12

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Research Center for High Performance Sport. Universidad Católica de Murcia

    La Ñora, Murcia, 30107, Spain

More trials for these conditions

Other studies related to the condition(s) this trial covers.