BCAA boosts sprint and recovery in young soccer stars, study finds
NCT ID NCT07347509
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.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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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
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21 people
The number who actually took part.
- Started
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Jan 2025
- Finished
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Sep 2025
- Lead sponsor
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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
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19 to 19 years
- Sex
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Male participants only
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide 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
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Atatürk University
Erzurum, Turkey (Türkiye)