Common diabetes drug may limit your workout — study tests the theory
NCT ID NCT06638671
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at whether short-term use of metformin, a common diabetes drug, changes how well healthy young adults can exercise. Fourteen participants took metformin or a placebo and did bike tests to measure endurance and blood lactate levels. The goal was to see if metformin reduces exercise capacity, as some earlier research suggested.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
metformin
What this could lead to
If it works, this could help doctors understand how metformin affects exercise performance, which may guide advice for people taking the drug.
What could go wrong
This is a small, early-phase study with only 14 healthy young adults, so results may not apply to older or less active people. The findings are about exercise capacity, not disease treatment.
Disclaimer
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This is a summary of
the original study
.
Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Locations
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University of Virginia
Charlottesville, Virginia, 22903, United States