ROYAL CANIN® Veterinary Diet Urinary U/C Dry Dog Food With Poultry, 2kgRoyal Canin Urinary U C Low Purine Dry Food for Dogs is a nutritionally balanced veterinary diet to reduce the formation of urate and cystine stones, and to help prevent their reoccurrence. ROYAL CANIN Veterinary Diet Urinary U C Made with a low level of high quality protein with a low purine content to prevent urate stones from forming, and low levels of salt and amino acids to prevent cystine stones, Royal Canin Urinary Low Purine Vet Diet is