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Why This Matters

Changes in gut permeability are thought to relate to intestinal barrier function and symptoms in UC and IBS-D. If Aquamin alters permeability, it could suggest a mechanism for symptom or disease-modifying effects and justify larger trials.

Who Should Pay Attention

Adults with ulcerative colitis (remission or mild), people with IBS-D, clinicians interested in dietary supplements and barrier function, and researchers studying mineral supplements or gut permeability biomarkers.

Study Snapshot

Story typeClinical Reference
Trial phasePhase 2
Enrollment35 participants
Study statusCompleted
Source depthTrial registry record

What To Know

This is a Phase 2 interventional trial (NCT04855799) testing Aquamin®, a multi-mineral extract from red marine algae, for effects on gastrointestinal permeability in people with ulcerative colitis (in remission or mild), IBS-D, and healthy volunteers.

The primary outcome was change in the urine lactulose:mannitol ratio over 90 days; lactulose measurements were not available but mannitol levels were measured. Participants took Aquamin (4 capsules/day, ~800 mg calcium/day) for 90 days. The record is a sub-study of a larger Aquamin trial (NCT03869905).

Keep In Mind

This entry is a clinicaltrials.gov registry record for a completed Phase 2 study. The registry notes lactulose could not be measured and reports mannitol levels instead. Results summary or peer-reviewed publication are not provided in this record; interpret any efficacy implications cautiously and look for full results or publications.

Source Details

Review the original publication for the complete reporting, methods, and context.

Read Original Source
Clinical trial Evidence type derived from source or registry metadata.
PublicationClinicalTrials.gov
SponsorJames Varani
Trial IDNCT04855799
Study typeInterventional
Trial phasePhase 2
Enrollment35 participants
Indexed viaClinicalTrials.gov
Source typeTrial registry record
PublishedJul 17, 2026, 12:00 AM
Content availableTrial registry record

This Cure8 brief is based on source text from the linked article. Cure8 is informational only and is not a substitute for professional medical advice, diagnosis, or treatment.

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