Can exercise change your gut bacteria? new study investigates
NCT ID NCT07481578
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study looks at how different amounts of supervised indoor cycling change gut bacteria and related substances in healthy men aged 18 to 45. Participants will be placed into one of three groups: no structured training, moderate cycling, or high-load cycling. Researchers will measure changes in gut health, fitness, muscle health, and signs of overtraining over eight weeks.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
dietary placebo (sugar capsule)
What this could lead to
If successful, this could reveal how exercise intensity influences gut health and performance, pointing toward personalized training or dietary strategies.
What could go wrong
This is an early-phase observational study with only 45 participants. Results may not apply to women, athletes, or less active people. The placebo is a sugar capsule, not a real treatment.
Disclaimer
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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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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
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Exercise Physiology Research Group, Department of Movement Sciences, KU Leuven, Leuven, Belgium
RECRUITINGLeuven, Vlaams Brabant, 3001, Belgium
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact