Royal Canin Renal MP Modified Dry for Dogs is a complete and balanced diet to assist the nutritional management of early stage III chronic kidney disease in small and medium breed adult dogs 55 lbs Restricted phosphorus is essential in the management of renal disease Natural Preservative Naturally preserved to ensure freshness and quality High energy density utilizing dietary fat to improve palatability and reduce feeding volumes in inappetent pets Moderately restricted levels of high biological value protein to minimize the production of nitrogenous waste products and improve the clinical signs associated with kidney disease Moderately restricted sodium levels Enhanced levels of B vitamins Enriched with long chain omega3 fatty acids EOther products from PetCareRx