Royal Canin Feline stage 1 balance cat food is specially formulated for neutered cats between the ages of 7 and 10 years old. The food is designed in such a way as to increase the urine volume which in turn reduces the concentration of struvite and calcium oxalate in the urine. This helps to reduce the formation of bladder and kidney stones from these minerals. Kidney function is also supported by the low phosphorus content, increased levels of antioxidants and enhanced levels of Omega-3 fatty acids. The kibble has a specially designed texture and shape which helps to clean the teeth when the cat bites into the biscuit. Ideal for cats over 7 years Helps maintain kidney and bladder health Improves oral health High fibre content Royal Canin Veterinary Care feline senior consult stage 1 balance cat food is for cats 7 and over, helps maintain kidney and bladder health, special kibble to improve oral health.