Antibiotics and exercise: surprising link explored in new study
NCT ID NCT05961189
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at whether taking a common antibiotic (azithromycin) for 5 days changes exercise performance in healthy adults aged 18-40. Researchers measured treadmill fitness and gut bacteria before and after the antibiotic or a placebo. The goal was to understand how gut health might influence physical fitness, not to treat any disease.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
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Contacts and locations
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Locations
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Human Performance Clinical Research Lab
Fort Collins, Colorado, 80521, United States
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Nutrition, and Exercise Metabolism Lab
New Brunswick, New Jersey, 08901, United States
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