Bean bonanza: study reveals which beans are best for your belly!
NCT ID NCT06935435
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at how different kinds of beans (like pink, great northern, and a mix) change the bacteria in your gut and affect your health. Researchers will compare these beans in 12 adults, some with obesity and some without. The goal is to learn which bean types are best for gut health, blood pressure, and digestion.
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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 12 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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May 2025
- Expected to finish
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Apr 2027
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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19 to 50 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: 1. Aged 19 to 50 years. 2. Not currently pregnant or planning to become pregnant (Females Only). 3. Stable body mass index (BMI) of either 18.5-24.9 kg/m2 or 27.0-39.9 kg/m2 for the last month. 4. Has not made any major dietary changes in the last month. 5. Able to read and speak English 6. Requires no legally authorized representative (LAR). 7. Not institutionalized (e.g., prison, psychological treatment center, etc.). 8. Able to wear ambulatory blood pressure monitor and limit physical activity over a 24-hr. period. 9. Have a bowel movement at least every other day. 10. Able to collect and deliver stool samples to Innovation Campus within 4 hours of collection. 11. No known allergies or intolerance to beans. 12. Able to avoid consuming beans during the study, except for the provided beans (up to 1.5 cups/day). Exclusion Criteria: 1. Has a cardiac device. 2. History of organ transplant 3. History of gastrointestinal surgery or disease diagnosed by a physician that involves the stomach, small, and large intestines (e.g., IBD, IBS, chronic constipation, diverticulosis, gastric bypass). 4. Recent history of cancer (excluding skin cancer) in the last year. 5. Current use of tobacco or vaping. 6. Current or recent use (last 3 weeks) of digestive enzymes, laxatives, dietary fiber, prebiotic, or probiotic supplements. 7. Medication or supplement regimen or dosage changed within the last 2 months or 3 weeks, respectively. 8. Taken antibiotics in the last 2 months. 9. Known allergies or intolerances to beans. 10. BMI 18.5-24.9 kg/m2 (normoweight): Current use of oral or injectable medications for the treatment of most chronic conditions. 11. BMI 27.0-39.9 kg/m2 (overweight): Current use of oral or injectable medications for the treatment of diabetes, hypertension, cardiovascular, liver, kidney, gastrointestinal, or autoimmune.
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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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Nebraska Food for Health Center
Lincoln, Nebraska, 68588, United States
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