Canadian Brand. Royal Canin Kitten is designed to meet the nutritional needs of kittens aged 4 to 12 months. A balanced content of highly digestible proteins, vitamins and minerals helps support the development of the kittens bones and muscles, while meeting the energy needs required during growth. An exclusive combination of nutrients aids in supporting the young kittens digestive health and promotes optimal stool quality. A balanced content of highly digestible proteins, vitamins and minerals helps support the development of the kittens bones and muscles.