Royal Canin Giant Adult Dog FoodThere are certain dog breeds that weigh over 100kg, and these giant dogs require special care. Royal Canin Giant Adult has been specially develop for dogs with a bodyweight of over 45kg. The joints and bones of these breeds tend to be under considerable strain, so this dry food contains chondroitin and glucosamine to help maintain joint and bone structure. An exclusive antioxidant complex with vitamins E and C works alongside lutein and taurine to