Gut check: can fiber supplements boost your microbiome?
NCT ID NCT05906589
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at how two types of dietary fiber, psyllium and inulin, affect gut bacteria and related substances in healthy adults over 60. Participants took each fiber or a placebo for two weeks, with breaks in between. The goal was to see if some people respond better to fiber than others, which could help personalize diet advice.
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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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Rowett Institute
Aberdeen, AB25 2ZD, United Kingdom
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