Adults with a clinician-diagnosed irritable bowel syndrome (IBS), especially with abdominal pain and bloating.
Form: enteric-coated capsules (e.g., 0.2–0.4 ml/capsule)
Dose: 0.2–0.4 ml three times daily (total 0.6–1.2 ml/day)
30–60 minutes before meals
4–8 weeks (can be cycled)
Why: Meta-analyses and ACG/BSG guidance suggest moderate efficacy for global IBS symptoms, particularly pain.
Form: powder
Dose: 7–10 g/day (in 1–2 doses) with ≥250 ml water per dose
with meals or between meals
≥4 weeks, then as tolerated
Why: ACG guidelines prefer soluble over insoluble fiber in IBS; meta-analyses show benefit for global symptoms.
Dose: 4–8 week trial with a well-documented product