Oat milk tested as a natural remedy for constipation
NCT ID NCT07302542
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether drinking oat milk every day for 4 weeks can improve bowel movements in adults with constipation. About 100 participants will either drink oat milk or continue their normal diet. Researchers will track changes in gut bacteria, symptoms, and stool frequency to see if oat milk works as a gentle laxative.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- oat milk
- What this could lead to
- If it works, this could point toward a simple, natural way to relieve constipation without medication.
- What could go wrong
- This is a small, early-stage trial with only 100 people, so results may not apply to everyone. The effect might be small or no better than placebo.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 100 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Dec 2025
An estimate. Start dates often move.
- Expected to finish
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Feb 2026
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 60 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: Clinical diagnosis of non-organic and habitual constipation; Reduced defecation frequency; Increased stool hardness; Fewer than 4 bowel movements per week; Exclusion Criteria: Inability to take food orally or inability to comply with the required intake of the test product; Known allergy to oats or related products; Unclear primary gastrointestinal complaints; Physical weakness that prevents participation in the trial; History of surgery within the past 30 days that may cause constipation; Recent constipation caused by severe organic gastrointestinal lesions (e.g., colon cancer, severe enteritis, intestinal obstruction, inflammatory bowel disease); Constipation accompanied by significant abdominal pain; Acute gastrointestinal diseases within the past 30 days; Severe systemic diseases involving the cardiovascular, hepatic, renal, or hematopoietic systems; Ongoing treatment for comorbid conditions that may interfere with study participation; Recent use of substances related to the tested function that may influence outcome measurements.
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
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