Nature's pharmacopoeia contains numerous proven natural treatments for people with irritable bowel syndrome (IBS) and small intestinal bacterial overgrowth (SIBO) backed by scientific studies. What are IBS and SIBO? IBS is a functional gastrointestinal disorder characterized by abdominal pain and altered bowel patterns that is divided into several subclassifications, including constipation-predominant IBS (IBS-C), diarrhea-predominant IBS (IBS-D) and mixed IBS (IBS-M). IBS re