Eukanuba Medium Mature & Senior Dog Food is made with high-quality, animal-based proteins to help build strong, lean muscles for an optimal body condition. EUKANUBA™ Senior Medium Breed Dog Food contains metabolism support to help keep dogs lean and active, as well as immunity support with more antioxidants. For medium breed dogs (10kg - 25kg) from 7 years onwards. Key Benefits : Body : Maintains mobile joints, over 50% more glucosamine Energy : Optimal energy to sustain an active lifestyle Immune system support : Guaranteed antioxidant levels for active seniors Mind : DHA & antioxidants for healthy brain function Clean teeth, healthy gums : 3D DentaDefense is proven to reduce tartar buildup