- Digestive Disorders Foundation
- U.K. charity for research and information on digestive disorders, including patient information, news, and how to make donations. - Digestive Health Center of Excellence
- Offers complete diagnosis and treatment of digestive disorders, Crohn's disease, ulcers, hepatitis, reflux, liver disease, colon cancer, and other gastrointestinal diseases. - Dispepsia
- Oriented as an aid to gastroenterological patients, it also offers useful hints to physicians. - Fatty acid Oxidation Disorder (FOD) Network
- Contains online newsletter and support group for families touched by this disorder. Stories, memories, and research updates. - Focus on Digestion
- Medical information for patients suffering from digestive disorders. - GastroNutri
- Discusses digestive and nutritional disorders ranging from heartburn to haemorrhoids. - GlaxoSmithKline Institute for Digestive Health (GIDH)
- Supports scientific research efforts and raises public awareness about issues relating to digestive health. - Hirschsprungs & Motility Disorders Support Network
- Support group for parents that have kids or adults who suffer from motility disorders, such as GERD, Hirschsprung's Disease, or other similar problems. - National Digestive Diseases Information Clearinghouse (NDDIC)
- Patient information about digestive diseases and clinical trials. - Pepcid (Famotidine)
- From Merck Consumer Pharmaceuticals. Information about the medication for heartburn relief. - Stomach Disorders

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