Royal Canin Medium Junior Puppy Food for medium breed puppies (adult weight from 11 to 25 kg) - up to 12 months old. Contains an increased protein content to help support healthy, muscular, and skeletal growth during the relatively short growth period. Antioxidants are included to support your puppy's natural defences which can be a particular challenge during this life stage. Key Features: Immune system support : Helps support your puppy’s natural defences thanks particularly to a patented complex of antioxidants including vitamin E. Digestive health : Combination of nutrients with high quality protein and prebiotics to support digestive health and balance of intestinal flora, which contributes to good stool quality. Short growth - high energy content : Meets the high energy needs of medium breed puppies which have a short growth period.