Royal Canin Sterilised Ageing 12+ Cat Food is specially for neutered senior cats over 12 years old. Royal Canin Ageing Sterilised 12+ is specially formulated with the nutritional needs of your sterilised, senior cat in mind. Key Features : Weight maintenance : In some senior cats, the level of activity reduces with age, which can lead to weight gain. Sterilised Ageing 12+ contains a moderate level of fat to help maintain an ideal body condition. The formula is enriched with L-carnitine. Healthy ageing complex : Limits the consequences of ageing on cognitive function, mobility, and oxidative stress thanks to specific nutrients. Renal health : A decline in kidney function is common in older cats. Ageing sterilised 12+ contains a moderate phosphorus level to help support renal health. Urinary health : Formulated to help maintain health of an adult cat’s urinary system.