Buy your own gut health tests online with Quest®️. Our tests help you and your doctor identify bacterial infections, autoimmune disorders, and other gastrointestinal conditions. No doctor’s visit is required – simply purchase your GI health testing, visit a nearby Quest®️ location for sample collection, and get fast results online. At no extra cost, you can discuss GI lab test results with an independent physician who may be able to prescribe treatment.Read MoreRead Less