All prebiotics are fiber, but not every fiber is prebiotic! Confused? Let's break it down (it's actually pretty simple!) Prebiotics are the compounds in food that feed the good bacteria in your gut. When the good bacteria are fed, they keep the bad bacteria at bay and encourage several health benefits, including curbing cravings, balancing blood sugar, supporting digestive health, and much more. According to clinical studies, the prebiotics used in Supergut meet all aspects of the definition of prebiotics.