Royal Canin Giant Junior Food is designed for giant breed puppies (adult weight over 45 kg) from 8 months to 18/24 months. Royal Canin Giant Junior helps to support your puppy's high growth rate during the second stage of growth. Key Features: Immune system support : Helps support your puppy’s natural defences thanks particularly to a patented complex of antioxidants including vitamin E. 2nd growth phase: muscle development : An adapted protein and L-carnitine content to help support muscle development in giant breed puppies during the second growth phase from 8 months old. Bone & joint support : Contributes to good bone mineralisation in giant breed puppies thanks to a balanced intake of energy and minerals (calcium and phosphorus), thus supporting bone consolidation and joints.