Royal Canin Size Health Nutrition Medium Adult Dry Dog Food Helps Support The DogS Natural Defenses With An Antioxidant Complex And Mannanoligosaccharides. Helps Promote Good Digestibility With An Exclusive Formula Including Very High Quality Protein And A Balanced Supply Of Dietary Fiber. Enriched Formula With Omega 3 Fatty Acids (Epa-Dha) To Help Maintain Healthy Skin. Satisfies The Appetite Of Medium Breed Dogs With Carefully Selected Aromas.