Who Are We?Royal Canin supports the health of your dog by providing precise nutrition based on a true understanding of the dog's specific needs and over 45 years of science and observation.Why does my giant dog need specific nutrition?• Giant body mass results in stress on the joints.• Early aging• Potential for cardiac sensitivity Bone & Joint HealthHelps support giant breed dogs' healthy bones and joints, which can be placed under stress by body weight.Antioxidant Complex: Contains an exclusive complex of antioxidants to help support cellular health.Heart Health: Formulated with key nutrients (including taurine) to support the heart health of giant dogs. Health Nutrition Since 1968 Dogs over 18/24 Months Old • Bone & Health• Antioxidant Complex Size Health Nutrition For Adult, Giant Breed Dogs Over 100 lb 100% Balanced and Complete Nutrition