Astaxanthin: the secret weapon against soccer fatigue?
NCT ID NCT07509970
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at whether taking astaxanthin, a natural supplement, for four weeks could help soccer players keep up their skills even when tired. Thirty healthy male college soccer players took either astaxanthin or a placebo. After four weeks, they did a very hard exercise routine, and researchers tested their passing, sprinting, and jumping abilities. The goal was to see if the supplement could lessen the drop in performance caused by fatigue.
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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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30 people
The number who actually took part.
- Started
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Jan 2026
- Finished
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Feb 2026
- 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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18 to 25 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.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * \- Male soccer players aged 18 to 25 years. * Healthy collegiate soccer players with regular soccer training experience. * Participated in systematic soccer training for at least 3 years and regular training at least 3 times per week during the previous 6 months. * Able to complete the supplementation protocol, exhaustive exercise protocol, and all performance assessments. * Provided written informed consent before participation. Exclusion Criteria: * \- Current musculoskeletal injury, pain, or illness affecting exercise performance or test participation. * History of cardiovascular, metabolic, neurological, or other medical disorders that could affect study safety or outcomes. * Use of antioxidant, ergogenic, or nutritional supplements that could influence study outcomes within 4 weeks before enrollment. * Known allergy or intolerance to astaxanthin or capsule ingredients. * Smoking, excessive alcohol consumption, or use of medications that could affect fatigue, performance, or physiological responses. * Failure to comply with study procedures or intervention requirements.
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Conditions
The condition(s) this trial relates to.
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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Beijing Sport University
Beijing, Beijing Municipality, 710068, China
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Other studies related to the condition(s) this trial covers.
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