Purina Pro Plan senior dry dog food containing salmon as the number one ingredient, plus easily digestible oat meal and rice is gentle on the stomach and maintains stool quality Senior dog food for sensitive skin containing salmon as the #1 ingredient, plus easily digestible oatmeal and rice Dog food with glucosamine and EPA, an Omega-3 fatty acid to promote joint health and mobility Natural prebiotic fiber and antioxidants support digestive and immune health High protein dry dog food with 29% protein to support lean muscle, including the heart