Good Guts is a once-a-day probiotic supplement that helps boost immune function, reduces gas, and supports Fido's detoxification and natural elimination process. It also contains an excellent enzyme blend to help break down foods and absorb nutrition. Our capsules are flavored Cheeseburger Deluxe with bacon to please even the pickiest pups. Good Guts contains seven strains of probiotics and has 3 billion CFUs, it is the most efficacious product within the Fidobiotics line. All Fidobiotics products are GMO and Gluten Free.Fidobiotics