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Hill's Prescription Diet k/d + j/d Chicken Flavor Dry Dog Food Royal Canin Canine Urinary UC Dry Dog Food

Hill's Prescription Diet k/d + j/d Chicken Flavor Dry Dog Food scores higher on KibbleLab, 9.3 to 8.3. Compare ingredients, guaranteed analysis, and AAFCO nutritional adequacy, side by side.

Hill's Prescription Diet k/d + j/d Chicken Flavor Dry Dog Food and Royal Canin Canine Urinary UC Dry Dog Food compared

Nutrients:
As Fed
Hill's Prescription Diet k/d + j/d Chicken Flavor Dry Dog Food
Hill's Prescription Diet k/d + j/d Chicken Flavor Dry Dog Food

Verified Jun 15, 2026

Royal Canin Canine Urinary UC Dry Dog Food
Royal Canin Canine Urinary UC Dry Dog Food

Verified Jul 27, 2026

KibbleLab score The KibbleLab expert rating, 0 to 10, based on published veterinary science.
9.3 / 10 8.3 / 10
Guaranteed analysis (as fed)
Protein Guaranteed analysis gives label minimums and maximums, not measured values, shown as fed.
Not listed 18.00%
Fat Not listed 13.00%
Fiber 3.80% 3.00%
Calcium 0.85% Not listed
Phosphorus 0.29% Not listed
Omega-3 3.88% Not listed
Moisture Higher moisture means a wetter food; it dilutes the other percentages above.
Not listed 10.00%
Calories 4011 kcal/kg 3729 kcal/kg
Calorie density High Moderate
Ingredients
Full ingredient list Every ingredient on each label, in order of weight.
Brewers Rice, Chicken Fat, Flaxseed, Chicken, Egg Product, Fish Oil, Hydrolyzed Chicken Flavor, Powdered Cellulose, Corn Gluten Meal, Dried Beet Pulp, Pork Liver Flavor, Calcium Carbonate, Lactic Acid, Potassium Chloride, L-Lysine, Betaine, Lipoic Acid, Potassium Citrate, Whole Grain Oats, Choline Chloride, L-Threonine, DL-Methionine, Fructooligosaccharides (FOS), Calcium Sulfate, vitamins (Vitamin E Supplement, L-Ascorbyl-2-Polyphosphate (source of Vitamin C), Niacin Supplement, Thiamine Mononitrate, Calcium Pantothenate, Vitamin A Supplement, Riboflavin Supplement, Biotin, Pyridoxine Hydrochloride, Vitamin B12 Supplement, Folic Acid, Vitamin D3 Supplement), Iodized Salt, L-Tryptophan, Taurine, Magnesium Oxide, minerals (Ferrous Sulfate, Zinc Oxide, Copper Sulfate, Manganous Oxide, Calcium Iodate, Sodium Selenite), Glucosamine Hydrochloride, L-Carnitine, Chondroitin Sulfate, Mixed Tocopherols for freshness, Natural Flavors, Beta-Carotene. Show full list
Brewers rice, corn, wheat, egg product, chicken fat, corn gluten meal, natural flavors, wheat gluten, monocalcium phosphate, calcium carbonate, potassium chloride, fish oil, fructooligosaccharides, salt, 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, folic acid, vitamin B12 supplement, vitamin D3 supplement], taurine, L-lysine, potassium citrate, trace minerals [zinc proteinate, zinc oxide, ferrous sulfate, manganese proteinate, manganous oxide, copper sulfate, calcium iodate, sodium selenite, copper proteinate], choline chloride, GLA safflower oil, marigold extract (Tagetes erecta L.), L-carnitine, rosemary extract, preserved with mixed tocopherols and citric acid. Show full list
Limited ingredient No No
Health focus Kidney care, Joint care, Appetite support, Urinary care, Probiotic support, Digestive health Urinary care
Format & suitability
Food type Dry Dry
Texture Kibble Kibble
Processing Not listed Not listed
Life stage Adult Adult
Breed size All Breed Sizes All Breed Sizes
AAFCO nutritional adequacy
Complete & balanced Whether the manufacturer's label claims the food meets AAFCO nutrient profiles for a life stage. Not an independent test.
Yes Not indicated
Life stages Adult Maintenance Not listed
Substantiation How adequacy was established. Feeding trials are the higher bar; formulation means the recipe is calculated to meet the profile.
Feeding Trials Not listed
Maker standards
WSAVA guidelines The World Small Animal Veterinary Association publishes criteria for evaluating a manufacturer: qualified nutritionists on staff, feeding trials, and published research. It does not certify or endorse brands.
Yes Yes
PSC accredited The Pet Sustainability Coalition is a nonprofit that accredits pet companies on their environmental and social impact through third-party verification. It reflects sustainability practices, not food quality.
Yes No
Recalls & where to buy
Recalls on record KibbleLab began logging recalls in July 2026, so earlier recalls may not appear.
None None
Where to buy
Amazon Petco
Amazon Chewy

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Shared ingredients

Both foods list these among their top ingredients, by label weight.

  • Brewer's Rice
  • Chicken Fat
  • Egg Product
  • Corn Gluten

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Common Questions

Which food scores higher on KibbleLab?

Hill's Prescription Diet k/d + j/d Chicken Flavor Dry Dog Food scores higher, 9.3 to 8.3 out of 10. Scores reflect published veterinary science.

Do these two foods share ingredients?

Yes. They share these top ingredients: Brewer's Rice, Chicken Fat, Egg Product, Corn Gluten.

Are both foods AAFCO complete and balanced?

Hill's Prescription Diet k/d + j/d Chicken Flavor Dry Dog Food is labeled complete and balanced; Royal Canin Canine Urinary UC Dry Dog Food does not list an AAFCO status.

See the full profiles: Hill's Prescription Diet k/d + j/d Chicken Flavor Dry Dog Food and Royal Canin Canine Urinary UC Dry Dog Food .

KibbleLab provides informational content only. This is not veterinary advice. Always consult a qualified veterinarian before changing your pet's diet.

This is a neutral, factual comparison, not a ranking or an endorsement of either product. A food's guaranteed analysis gives legal minimums and maximums for a few nutrients, not measured values. No one can pay for placement or a higher score.

Product details are compiled from public sources and may not reflect the latest formulation. Represent one of these brands? Request a correction. Anyone else can email us.