Dr. Len and Nurse Vicki provide an overview of digestive disorders, their physiology, and management using natural solutions. This indepth review offers specific measures for diagnosis and treatment. In general, probiotics, l-glutamine, UltraClear Sustain, and quercetin do miracles for most people with IBS. A healthy lifestyle also does a lot to restore normal GI function. It is very imortant to make sure you don't have lactose intolerance or gluten sensitivity as they can cause or add to this disease.