The Effects of Soy Dietary Fiber in Adults With Diarrhea Predominant Irritable Bowel Syndrome
The Effects of Soy Dietary Fiber in Adults With Diarrhea Predominant Irritable Bowel Syndrome
The investigators will evaluate the efficacy of soy dietary fiber in adults with diarrhea
 predominant irritable bowel syndrome.
Inclusion Criteria:

 -  willing to consent/undergo necessary procedures

 -  between the age of 19 and 75 years

 -  diarrhea predominant irritable bowel syndrome (satisfied with Rome II criteria)

 Exclusion Criteria:

 -  uncontrolled hypertension (Blood pressure > 170/100 mmHg)

 -  uncontrolled diabetes mellitus (FBS > 180 mg/dL)

 -  malignancy, cerebrovascular disease, cardiovascular disease

 -  history of abdominal surgery except appendectomy and hernia repair

 -  inflammatory bowel disease

 -  clinically or laboratory-confirmed gastroenteritis

 -  the use of motility drug or dietary fiber supplement in 2 weeks

 -  allergy to soy fiber

 -  serum Cr > 2 x Upper normal limit

 -  AST or ALT > 2 x Upper normal limit

 -  Pregnancy, Lactating woman