Implementing a Low FODMAP Diet in Irritable Bowel Syndrome Patients

Inclusion Criteria: * Adult subjects (18-75 years) seen in the primary care clinic or in the Gastroenterology clinic at Mayo Clinic Florida, who are diagnosed with IBS by Rome IV criteria Exclusion Criteria: * Subjects who have previously tried the low FODMAP diet (whether successful or not) * Current or recent (less than 4 weeks) opioid use * Current or recent (less than 10 weeks) rifaximin use * Inability to speak or read English * Pregnancy and/or breast-feeding * Medical or psychological issues that would prevent modifying their diet for 8 weeks.