Inclusion Criteria:  Applying to Gaziantep University Faculty of Medicine Department of Gastroenterology, Between the ages of 19-65, Diagnosed with Irritable Bowel Syndrome by a physician according to Rome IV criteria, Patients who voluntarily accept to participate in the study will be included in the study after explaining the purpose and method of the study.  Exclusion Criteria:  Those with gastrointestinal organic diseases (celiac, lactose intolerance, inflammatory bowel diseases), Those diagnosed with clinically important systemic diseases (diabetes, cancer, hypertension, thyroid and other endocrine system diseases), Individuals diagnosed with multiple sclerosis and Parkinson's disease, Individuals with established food allergies, Individuals with major psychiatric diseases, Individuals with eating disorders according to DSM-V criteria, Individuals who have undergone major abdominal surgery, Individuals who were pregnant at the time of the study will not be included in the study.