Book excerpt: Medical nutrition therapy plays a central role in the management of diseases including reducing disease risk, slowing disease progression, and monitoring nutritional status. Though a nutrition care process has been implemented in some countries, many do not have a national standard for nutrition and dietetic practices for different diseases including the scope of gastrointestinal disorders. Moreover, there is no guidance to dietetic practice by most of the governing bodies of the world. Cases on Medical Nutrition Therapy for Gastrointestinal Disorders presents real-world case studies on nutrition assessment, diagnosis, intervention, monitoring, and evaluation standards and practices. Moreover, the cases provide critical updates on the use of medical nutrition therapy for gastrointestinal disorders that include but are not limited to Celiac Disease, Crohn’s Disease, Irritable Bowel Syndrome, constipation, and bowel obstructions and discusses strategies for the prevention and management of these disorders. Registered dietitians, dietetic interns, nutritionists, healthcare professionals, researchers, academicians, and students will benefit from the scenarios presented within this book.