Small intestinal bacterial overgrowth (SIBO) is a controversial diagnosis that can masquerade behind a variety of symptoms, many of which do not necessarily involve the characteristic bloating, gas and abdominal pain. In this blog, Dr. Vincent Pedre, internist and Functional Medicine practitioner in New York City, explores the definitions and risk factors for SIBO, testing options, and therapeutic recommendations to support symptom relief and a healthy gastrointestinal environment in patients with SIBO.