ROYAL CANIN RENAL SELECT Dry is a complete dietary food for cats designed to support kidney function in cases of chronic renal failure, through its limited levels of phosphorus and high-quality proteins. RENAL SELECT Dry is also formulated to reduce the formation of oxalate stones through its low levels of calcium and vitamin D, and its alkaline properties in urine. Recommendations: It is advised to seek the opinion of a veterinarian before use or before extending the period of use. Initially, it is recommended to feed RENAL SELECT Dry for up to 6 months in cases of chronic renal failure and to reduce the formation of oxalate stones.