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Assessing the Short-Term Effects of Multi-Fiber Supplementation on Gut Health

Brown University · NCT07787026

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Opens the official ClinicalTrials.gov record, with the study team’s contacts. Bored Studies doesn’t enroll anyone.

Key facts

Compensation
Not posted. Ask the study team before screening.
Who can join
Ages 18+ · All sexes
Healthy volunteers
Accepted
Study type
Interventional · Not applicable
Target enrollment
100
US sites recruiting
1
Study start
August 2026
Record last updated
August 26, 2026

Status re-checked against ClinicalTrials.gov within the last 12 hours.

What the study is about

This is a randomized, parallel-group interventional study evaluating the short-term gastrointestinal effects of a standardized multi-fiber supplement in healthy adults. Approximately 100 participants (50 per arm) aged 18 and older will be randomized to receive either the multi-fiber supplement or a control (flavoring agent only) daily for 10 days. Objectives include assessing effects on stool characteristics, specifically frequency and consistency, as well as changes in metagenomically inferred short-chain fatty acid production potential from the microbiota. Eligible participants must be free of chronic disease, acute illness, and recent antibiotic, probiotic, or prebiotic use. Total participation duration is 10 days.

Being studied: Prebiotic; Placebo

Conditions: Mixed Fiber Supplementation for Healthy Adults

Eligibility criteria

Copied from the official record. The study team makes the final decision at screening.

Show full criteria

Inclusion Criteria

  • in self-reported good health (i.e. no chronic disease, no acute illness)

Exclusion Criteria

  • chronic disease
  • acute illness
  • antibiotic, or probiotic, or prebiotic use in the prior 3 months
  • allergies to any of the following: psyllium husk powder, mustard, sesame, soy, tree nuts, pectin, citric acid, wheat, milk, egg, beta-glucan, barley, inulin, agave, resistant maltodextrin, arabinoxylan
  • adherence to any food-group strict diet (e.g. vegan, vegetarian, keto, etc.)
  • any of the following groups: adults unable to consent, individuals that are not yet adult, pregnant women, prisoners

Recruiting US locations

  • Biomedical Center

    Providence, RI 02912

    Site contact: BioMed Facilities Planning and Operations · 401-863-1000 · biomed_facilities@brown.edu

All nutrition & metabolism studies in Rhode Island →
Assessing the Short-Term Effects of Multi-Fiber Supplementation on… (NCT07787026) | Bored Studies