Pure Encapsulations, Probiotic G.I., 60 CapsulesShelf Stable; Supports G. I. Barrier Function Dairy Free, Soy Free Non GMO & Hypoallergenic Dietary Supplement Certified Gluten Free by the Gluten Free Certification Organization Probiotic supplements are a good way to add good bacteria to your body to keep your microbiome healthy. This probiotic blend supports healthy barrier function, cell health and immune function in the G. I. tract. Probiotic G. I. provides 10 billion CFU (colony forming units)