Real beef is the first ingredient in Purina ONE True Instinct Lean Muscle Support High Protein Real Beef Dry Dog Food for paw-some taste and protein. Every serving contains 32% protein to promote lean, strong muscles and fuel your furbaby’s active life. Your pup will chow down on tasty meaty morsels, and this recipe is free of poultry byproduct meal and artificial flavors or preservatives. Added vitamins, minerals, and nutrients help your best friend thrive.