Probios Dog Treats - Hip and Joint are lactose-free treats that are a source of beneficial bacteria that maintain digestion and a healthy body. It is formulated to help maintain joint function. Probios Dog Treats are a source of direct fed microbials in a lactose-free treat format. The direct fed microbials help maintain proper gut flora and help support gut absorption. The crunchy treat helps support healthy teeth. Glucosamine and chondroitin help maintain joint mobility. Probios Dog Treats are for all breeds and all dogs. The treats are peanut butter flavored, a flavor dogs love.