Irritable Bowel Syndrome
International Foundation for Functional Gastrointestinal Disorders
This site contains information on irritable bowel syndrome, bloating, and many other GI disorders where the function of the bowel is involved.
Inflammatory Bowel Disease
Crohn's and Colitis Foundation of America
This is a very helpful site for patients with Crohn's disease and ulcerative colitis
American Liver Foundation
This site contains information on many different liver conditions.
Iron Overload Disease Association, Inc.
This site contains information about hemochromatosis
Celiac Support Page
This site is written by an individual with celiac disease and provides helpful information regarding celiac disease and dietary needs.
United Ostomy Associations, Inc.
Information on this site includes intestinal and urinary ostomies.
American College of Gastroenterology
American Society for Gastrointestinal Endoscopy
American Gastroenterological Association