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BCAA boosts sprint and recovery in young soccer stars, study finds

NCT ID NCT07347509

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tested whether a single dose of BCAA or L-arginine supplements could improve sprinting, agility, and recovery in 21 elite youth soccer players. Results showed that BCAA helped with short sprints, agility, and faster heart rate recovery after exercise, while L-arginine showed no clear benefit. The findings suggest these supplements may work better with long-term use.

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

21 people

The number who actually took part.

Started

Jan 2025

Finished

Sep 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

19 to 19 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: Male football players aged 19 years Actively competing in a youth development or amateur football league Minimum of 3 years of regular football training experience Training at least 4 days per week Free from musculoskeletal injury in the last 6 months No use of nutritional supplements (including BCAA or L-arginine) for at least 4 weeks prior to the study Voluntary participation with written informed consent Exclusion Criteria: Presence of any cardiovascular, metabolic, neurological, or chronic disease Use of medications or supplements that may affect performance outcomes History of surgery within the last 6 months Known allergy or intolerance to BCAA or L-arginine Smoking or alcohol abuse Failure to comply with study protocol

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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

  • Atatürk University

    Erzurum, Turkey (Türkiye)