About This Helps When Nature Calls - These chicken-flavored treats contain Pumpkin and Bromelain, which have properties that support regularity and overall digestive health so that potty time is never a chore. Premium Digestive Support - Zesty Paws Advanced Probiotic Bites feature Prebiotics, Probiotics, and Digestive Enzymes to aid digestion, immune function, and gut flora for dogs with tummy troubles. Featuring PreforPro Prebiotic - Each chew contains 4mg of PreforPro, which is a premium pet Prebiotic that's clinically proven to support healthy gut bacteria and the growth of Probiotic species. Includes DE111 Probiotic - This chewable supplement formula includes DE111, a spore-forming Probiotic (Bacillus subtilis) that supports gut micro flora and digestion for canine pets of all ages. Digestive Enzymes Blend - These dog probiotics also include a blend of Digestive Enzymes that help your pup break down fats, proteins, and carbohydrates from food to support digestive activity.