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Ulcerative colitis and Crohn's disease are types of inflammatory bowel diseases (IBD). The incidence and prevalence of inflammatory bowel diseases (IBD) are rapidly increasing worldwide. The development of inflammatory bowel disease (IBD) is influenced by complex interactions with environmental factors, changes in intestinal flora, various predisposing genetic traits, and changes in the immune system. Diet is a promising and modifiable environmental risk factor for disease onset and severity .



During the disease exacerbation period, a low-fiber diet is recommended for most patients. During the remission period, excessive consumption of alcohol and sulfur-containing products may have a negative effect on the course of the disease. Additionally, different dietary managements are used to complement IBD treatment.

Due to chronic inflammation as well as side effects of continuously used medications, patients with IBD have an increased risk of nutritional factor deficiencies, including iron, calcium, vitamin D, vitamin B12, folic acid, zinc, magnesium, and vitamin A. It should also be noted that there is no single common diet for all IBD patients; each is unique and dietary recommendations should be developed individually for each patient, depending on the course of the disease, previous surgical procedures, and type of pharmacotherapy.

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