Royal Canin Size Health Nutrition Medium Weight Care Dry Dog Food Helps Reduce Energy Intake By 23% (Compared To Medium Adult) While Giving The Same Volume Of Food Fiber Enriched Formula Helps Contribute To Reducing The Feeling Of Hunger Between Meals And Satisfies The Dog'S Appetite A Synergistic Combination Of Antioxidants To Help Support Cellular Health For Medium Breed Dogs (21-55 Lbs.) Over 12 Months