Premium entrees. EZ Storage Pack. Locked-in freshness. 100% Complete nutrition for dogs & puppies. No artificial preservatives. Mighty Dog is uniquely formulated with the perfect balance of nutrients to help your puppy or adult dog be his mightiest. Animal feeding tests using AAFCO procedures substantiate that Purina Mighty Dog Premium Entrees Beef Dinner in Gravy provides complete and balanced nutrition for the growth and maintenance of dogs.