Highly nutritious cat food royal canin kitten is ideal for kittens from 4 to 12 months old kittens have an increased requirement for energy protein minerals trace elements and vitamins royal canin kitten digestive health is specially developed with these requirements in mind the kibble is the optimal size for small kittens and is easy to chew the beginning of the second stage of development is indicated by the emergence of adult teeth as the adult teeth develop protection of the new