Hill's Prescription Diet - Dry Dog Food - Canine Gastrointestinal Biome Digestive/Fiber Care - 16LBSOverview: Hills Prescription Diet Gastrointestinal Biome is a high fiber dry dog food clinically shown to help firm loose stool in 24 hours and reduce risk of recurrence. Made with ActivBiome+ Ingredient Technology to rapidly activate the gut microbiome and help manage complex GI issues. Ingredients Chicken, Cracked Pearled Barley, Brewers Rice, Corn Gluten Meal, Whole Grain Corn, Whole Grain Oats, Ground Pecan Shells, Chicken Liver Flavor, Chicken