References for Board Certification as a Specialist in Digestive Health
Be sure to review the exam content outline before selecting the references you need.
Textbooks:
Ireton-Jones, C. Outpatient Nutrition Care and Home Nutrition Support. 2nd ed. Boca Raton, FL: CR Press; 2023.
Matarese, LE, Mullin GE, and Tappenden KA. Health Professionals Guide to Gastrointestinal Nutrition. 2nd ed. Chicago, IL: Academy of Nutrition and Dietetics; 2022.
Online Resources:
AGA institute and the Joint Task Force on Allergy-Immunology Practice Parameters Clinical Guidelines for the Management of Eosinophilic Esophagitis. Ann Allergy Asthma Immunol. 2020;124(5):416-423. https://www.annallergy.org/article/S1081-1206(20)30178-2/pdf
Bharucha AE, Lacy BE. Mechanisms, Evaluation, and Management of Chronic Constipation. Gastroenterology. 2020;158(5):1232-1249. https://www.gastrojournal.org/action/showPdf?pii=S0016-5085%2820%2930080-9
Camilleri M, Kuo B, Nguyen L, et al. ACG Clinical Guideline: Gastroparesis. Am J Gastroenterol. 2022;117(8):1197-1220. https://journals.lww.com/ajg/fulltext/2022/08000/acg_clinical_guideline__gastroparesis.15.aspx
Carabotti M, Falangone F, Cuomo R, Annibale B. Role of Dietary Habits in the Prevention of Diverticular Disease Complications: A Systematic Review. Nutrients. 2021;13(4):1288. (Published 2021 Apr 14). https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8070710/
Chey, WD, Hashash, JG, Manning, L, Chang, L. AGA Clinical Practice Update on the Role of Diet in Irritable Bowel Syndrome: Expert Review. Gastroenterology. 2022;162(6): 1737-1745.e5. https://www.gastrojournal.org/action/showPdf?pii=S0016-5085%2821%2904084-1
Chuah KH, Mahadeva S. Cultural Factors Influencing Functional Gastrointestinal Disorders in the East. J Neurogastroenterol Motil. 2018;24(4):536-543. https://www.jnmjournal.org/journal/view.html?uid=1438&vmd=Full
Elli L, Leffler D, Cellier C, et al. Guidelines for best practices in monitoring established celiac disease in adult patients. Nat Rev Gastroenterol Hepatol. 2024;21(3):198-215. https://www.nature.com/articles/s41575-023-00872-2
Eslamparast T, Tandon P, Raman M. Dietary Composition Independent of Weight Loss in the Management of Non-Alcoholic Fatty Liver Disease. Nutrients. 2017; 26;9(8):800. https://pubmed.ncbi.nlm.nih.gov/28933748/
Hashash, JG, Elkins, J, Lewis, JD, Binion DG. AGA Clinical Practice Update on Diet and Nutritional Therapies in Patients with Inflammatory Bowel Disease: Expert Review. Gastroenterology. 2024; 166(3): 521-532. https://www.gastrojournal.org/article/S0016-5085(23)05597-X/fulltext
Hedrick T. The Overlap Between Eating Disorders and Gastrointestinal Disorders. Practical Gastro. 2022; Volume XLVI (8). https://practicalgastro.com/2022/12/12/the-overlap-between-eating-disorders-and-gastrointestinal-disorders/
Lacy BE, Cangemi D, Vazquez-Roque M. Management of Chronic Abdominal Distension and Bloating. Clin Gastroenterol Hepatol. 2021;19(2):219-231. https://www.cghjournal.org/article/S1542-3565(20)30433-X/fulltext
Levine A, Rhodes JM, Lindsay JO, et al. Dietary Guidance from the International Organization for the Study of Inflammatory Bowel Diseases. Clin Gastroenterol Hepatol. 2020;18(6):1381-1392. https://www.cghjournal.org/article/S1542-3565(20)30185-3/fulltext
Lomer MCE, Wilson B, Wall CL. British Dietetic Association Consensus Guidelines on the Nutritional Assessment and Dietary Management of Patients with Inflammatory Bowel Disease.
J Hum Nutr Diet. 2023;36(1):336-377. https://onlinelibrary.wiley.com/doi/10.1111/jhn.13054
Ma C, Singh S, Jairath V, Radulescu G, Ho S, Choi M. Food Insecurity Negatively Impacts Gluten Avoidance and Nutritional Intake in Patients with Celiac Disease. J Clin Gastroenterol. 2022; 56(10):863-868. https://journals.lww.com/jcge/abstract/2022/11000/food_insecurity_negatively_impacts_gluten.8.aspx
National Institute for Health and Care Excellence (NICE). Irritable bowel syndrome in adults: diagnosis and management. Clinical Guideline [CG61]. London: NICE; 2017. https://www.nice.org.uk/guidance/cg61
Pandit AU, Tomasino KN, Aswani Omprakash T. Epstein DE. Cultural Considerations in Gastroenterology: Barriers to Care and a Call for Humility and Action. Transl Gastroenterol Hepatol. 2024: 1-16. https://tgh.amegroups.org/article/view/8963
Quigley EMM, Murray JA, Pimentel M. AGA Clinical Practice Update on Small Intestinal Bacterial Overgrowth: Expert Review. Gastroenterology. 2020;159(4):1526-1532. https://www.gastrojournal.org/article/S0016-5085(20)34928-3/fulltext
Roberts K, Shah ND, Parrish CR, Wall E. Navigating Nutrition and Hydration Care in the Adult Patient with Short Bowel Syndrome. Nutr Clin Pract. 2023;38 Suppl 1: S59-S75. https://aspenjournals.onlinelibrary.wiley.com/doi/10.1002/ncp.10951
Rubio-Tapia A, Hill I, Semrad C, Kelly CP, Greer KB, Limketkai BN, Lebwohl B. American College of Gastroenterology Guidelines Update: Diagnosis and Management of Celiac Disease. The American Journal of Gastroenterology. 2023: 118(1): p 59-76. https://journals.lww.com/ajg/fulltext/2023/01000/american_college_of_gastroenterology_guidelines.17.aspx?context=featuredarticles&collectionid=2
Sahoo S, Padhy SK. Cross Cultural and Psychological Issues in Irritable Bowel Syndrome.
J Gastroenterol Hepatol. 2017;32(10):1679-1685. https://onlinelibrary.wiley.com/doi/10.1111/jgh.13773
Su GL, Ko CW, Bercik P, et al. AGA Clinical Practice Guidelines on the Role of Probiotics in the Management of Gastrointestinal Disorders. Gastroenterology. 2020;159(2):c697-705. https://www.gastrojournal.org/article/S0016-5085(20)34729-6/fulltext
Tack J, Tornblom H, Tan V, Carbone F. Evidence-Based and Emerging Dietary Approaches to Upper Disorders of Gut-Brain Interaction. Am J Gastroenterol. 2022;117(6):965-972. https://journals.lww.com/ajg/fulltext/2022/06000/evidence_based_and_emerging_dietary_approaches_to.29.aspx
Therrien A, Kelly CP, Silvester JA. Celiac Disease: Extraintestinal Manifestations and Associated Conditions. J Clin Gastroenterol. 2020 Jan;54(1):8-21. https://journals.lww.com/jcge/abstract/2020/01000/celiac_disease__extraintestinal_manifestations_and.4.aspx
This list is updated yearly. Latest update: 6/2025
Note: The references listed above are suggestions. It should not be inferred that studying these references will ensure success on the examination nor should it be assumed that items on the examination are based on any specific resource listed. Please check back periodically for updates.
The Commission on Dietetic Registration™ (CDR™) does not endorse any particular preparation program or offering. We encourage prospective credentialed practitioners to use a variety of resources that reflect their learning styles and needs. Purchasing a certification preparation product is NOT required and CDR™ does not guarantee that an individual will pass based on the purchase of a certification preparation product.