Probiotic safety check: will a daily capsule cause stomach trouble?
NCT ID NCT07165457
First seen Oct 31, 2025 · Last updated Jun 23, 2026 · Updated 32 times
Summary
This study will give 20 healthy adults a probiotic capsule every day for 15 days to see if it causes any stomach problems or other side effects. Participants will fill out questionnaires about their symptoms and have their weight and height measured. The goal is simply to check safety, not to treat any disease.
Disclaimer
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This is a summary of
the original study
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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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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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Center for Nutrition Research
Pamplona, Navarre, 31008, Spain
Contact Phone: •••-•••-•••• Email: •••••@•••••
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
probiotic capsule
What could go wrong
This is a very small, early safety study with only 20 healthy participants. It is not designed to test any health benefit, so even if it succeeds, it only shows the probiotic is well-tolerated.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.