Supports Digestive and Immune Functions With Live Cultures and Prebiotic Fiber No Wheat No Corn No Artificial Ingredients** Quality Seal - NASC Veterinarian Formulated Why It Works Daily Probiotics the right combination of prebiotics and probiotics to help support proper digestion and maintain gut flora and support immune system functions. Formulated with Ganeden BC30, a unique shelf-stable probiotic that doesn't require refrigeration-all delivered in a tasty duck-flavored chew.