Royal Canin Renal is formulated for the nutritional management of chronic renal failure (CRF), recurrence of urolithiasis requiring urine alkalinisation: urate and cystine uroliths, and formation of oxalate stones in dogs with impaired renal function. The full range is available from PetPlanet.co.uk at guaranteed cheapest prices with rapid UK delivery. Please remember that veterinary diets are formulated for the nutritional support of dogs with specific clinical conditions and are recommended to be used under veterinary advice.