Royal Canin® Canine Multifunction Urinary + Hydrolyzed Protein dry dog food ROYAL CANIN VETERINARY DIET® Canine Multifunction Urinary + Hydrolyzed Protein dry is a highly palatable, highly digestible, complete and balanced adult dog food formulated to meet multiple nutritional needs, in a single precise blend. Benefits Low RSSRelative Supersaturation (RSS) methodology predicts the crystallization potential of urine. RSS is used to develop diets for dogs prone to both struvite and oxalate urolithiasis. Hydrolyzed ProteinHydrolyzed protein, composed of low molecular weight peptides, is highly digestible and minimizes signs associated with food sensitivities. Ingredients Brewers rice, hydrolyzed soy protein, chicken fat, natural flavors, chicory, salt, rice hulls, vegetable oil, fish oil, calcium sulfate, sodium silico aluminate, potassium phosphate, fructooligosaccharides, potassium chloride, vitamins [DL-alpha tocopherol acetate (source of vitamin E), inositol, niacin supplement, D-calcium pantothenate, biotin, pyridoxine hydrochloride (vitamin B6), riboflavin supplement, thiamine mononitrate (vitamin B1), vitamin A acetate, folic acid, vitamin B12 supplement, vitamin D3 supplement], calcium carbonate, taurine, choline chloride, DL-methionine, N-butyric acid, trace minerals [zinc proteinate, zinc oxide, manganese proteinate, ferrous sulfate, manganous oxide, copper sulfate, sodium selenite, copper proteinate, calcium iodate], rosemary extract, preserved with mixed tocopherols and citric acid. This diet contains 3578 kilocalories of metabolizable energy (ME) per kilogram or 308 kilocalories ME per cup on an as fed basis (calculated).