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RxFeline Urinary SO® + Hydrolyzed Protein

Royal Canin Veterinary Diet

Feline Urinary SO® + Hydrolyzed Protein

dry · kibble

Calories3625 kcal/kg334 kcal / cup
Price / 100 calories$0.57
Moisture5.256%*

Nutrients (dry-matter basis)

Macronutrients
Protein27.318%*
Fat16.184%*
Carbs38.146%*
Fiber5.165%*
Amino acids & vitamins
Taurine0.23%*
Vitamin E—
Vitamin C—
Minerals
Ash—
Calcium0.727%*
Phosphorus0.65%*
Magnesium0.038%*
Sodium1.301%*
Potassium0.803%*
Omega fatty acids
Omega-30.88%*
EPA0.137%
DHA0.106%
↳ EPA+DHA subtotal0.383%*
Omega-64.056%*
Therapeutic & extended nutrients
Total dietary fiber10.101%*
Zinc215 mg/kg*
Copper15 mg/kg*
Vitamin D809 IU/kg*
Pantothenic acid110 mg/kg*
Niacin360 mg/kg*

“—” means this figure isn't available from the manufacturer, or the moisture or calorie-density figure needed to express it on this basis isn't published. It does not mean zero.

Calculated from the manufacturer's published analysis — the as-fed figures or the per-100 kcal nutrient table — when the manufacturer does not supply dry matter measurements.

Details

Life stage
Adult maintenance
Veterinary Dietary Use
UrinaryAllergy

Based on manufacturer-stated uses. This site does not diagnose or recommend diets.

Ingredients

Brewers rice, hydrolyzed soy protein, chicken fat, powdered cellulose, natural flavors, vegetable oil, dried chicory root, salt, calcium sulfate, fish oil, potassium chloride, sodium pyrophosphate, choline chloride, monocalcium phosphate, calcium carbonate, DL-methionine, sodium bisulfate, sodium aluminosilicate, fructooligosaccharides, vitamins [DL-alpha tocopherol acetate (source of vitamin E), niacin supplement, D-calcium pantothenate, biotin, pyridoxine hydrochloride (vitamin B6), riboflavin supplement, thiamine mononitrate (vitamin B1), vitamin A acetate, vitamin B12 supplement, folic acid, vitamin D3 supplement], taurine, GLA safflower oil, marigold extract (Tagetes erecta L.), trace minerals [zinc proteinate, zinc oxide, manganese proteinate, manganous oxide, copper sulfate, ferrous sulfate, sodium selenite, copper proteinate, calcium iodate], rosemary extract, preserved with mixed tocopherols and citric acid

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Manufacturer source(s):Product PageNutrition PDFAdded: 2026-04-28Last checked: 2026-07-26