ROYAL CANIN® RENAL loaf is a complete diet food for cats formulated to support kidney function in cases of chronic renal insufficiency, due to its limited content of phosphorus and high-quality protein. RENAL is also formulated to reduce the formation of oxalate stones due to its low calcium and vitamin D content and alkalising properties of the urine: It is recommended to seek the advice of a veterinarian before use or before extending the period of use. Feed RENAL initially for up to 6 months in chronic renal insufficiency and reduction of oxalate stone formation.