Royal Canin Maine Coon Adult Cat Food helps maintain a healthy heart: adapted mineral content, EPA & DHA, taurine, L-carnitine, and a formula rich in nutrients with antioxidant properties. Emerald 10, a kibble adapted to the large jaw of the Maine Coon cat for optimal oral hygiene. Helps support the Maine Coon’s bones and joints. Helps support the skin’s protective “barrier” role, reveals the natural beauty and colour of the coat.