The systemic health of animals and maintenance of GI tract homeostasis heavily relies on influences from dietary fiber. The primary roles of dietary fiber in the GI tract include physically altering the digesta, modulating appetite and satiety, regulating digestion, and acting as a microbial energy source through fermentation. In this webinar, Dr. Adam Rudinsky will review fiber function and benefits, reporting in pet foods, the clinical utility of modifying fiber in dogs and cats with GI disease, and strategies to identify and manage fiber-responsive GI patients.