Pepto-Bismol's hidden power: reshaping your gut bugs?
NCT ID NCT05930197
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at how bismuth subsalicylate (the active ingredient in Pepto-Bismol) changes the bacteria in the gut. 34 healthy adults took the medicine for 2 days, and researchers compared their stool samples before and after. The goal was to learn more about how this common stomach medicine affects the gut microbiome.
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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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National Institutes of Health Clinical Center
Bethesda, Maryland, 20892, United States
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