Irritable Bowel Syndrome
International Foundation for Functional Gastrointestinal Disorders
http://www.iffgd.org
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
http://www.ccfa.org
This is a very helpful site for patients with Crohn's disease and ulcerative colitis
Liver Disease
American Liver Foundation
http://www.liverfoundation.org
This site contains information on many different liver conditions.
Hemochromatosis
Iron Overload Disease Association, Inc.
http://www.ironoverload.org
This site contains information about hemochromatosis
Celiac-Sprue
Celiac Support Page
http://www.celiac.com
This site is written by an individual with celiac disease and provides helpful information regarding celiac disease and dietary needs.
Ostomy
United Ostomy Associations, Inc.
http://www.uoa.org
Information on this site includes intestinal and urinary ostomies.
Professional Organizations
American College of Gastroenterology
https://gi.org/
American Society for Gastrointestinal Endoscopy
http://www.asge.org
American Gastroenterological Association
http://www.gastro.org