IBS-D (diarrhea) 12 week treatment and relief of symptoms associated with irritable bowel syndrome (IBS) with predominant diarrhea (IBS-D) Return home Eligible to participate: Male or Female 18 years of age or older Diagnosed/symptoms over the last 3 months If you are interested in learning more about this study, please fill out the the following. Name(Required)Email(Required) PhoneConsent(Required) I qualify for this study per the above stated qualifications.EmailThis field is for validation purposes and should be left unchanged. Δ Return home