Probiotic 10 Billion + Prebiotic from Webber Naturals provides a guaranteed minimum of 10 billion CFUs of 15 carefully selected probiotic strains, along with the prebiotic inulin, to help maintain gut microflora and support gastrointestinal health. This high-potency, shelf-stable formula is ideal to help maintain a healthy gastrointestinal tract in the workplace and while travelling.