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Hill's Science Diet Adult Urinary Hairball Control Chicken & Rice Recipe Dry Cat Food Royal Canin Fussy Adult Dry Cat Food

Hill's Science Diet Adult Urinary Hairball Control Chicken & Rice Recipe Dry Cat Food scores higher on KibbleLab, 9.5 to 9.0. Compare ingredients, guaranteed analysis, and AAFCO nutritional adequacy, side by side.

Hill's Science Diet Adult Urinary Hairball Control Chicken & Rice Recipe Dry Cat Food and Royal Canin Fussy Adult Dry Cat Food compared

Nutrients:
As Fed
Hill's Science Diet Adult Urinary Hairball Control Chicken & Rice Recipe Dry Cat Food
Hill's Science Diet Adult Urinary Hairball Control Chicken & Rice Recipe Dry Cat Food
Royal Canin Fussy Adult Dry Cat Food
Royal Canin Fussy Adult Dry Cat Food

Verified Aug 26, 2026

KibbleLab score The KibbleLab expert rating, 0 to 10, based on published veterinary science.
9.5 / 10 9.0 / 10
Guaranteed analysis (as fed)
Protein Guaranteed analysis gives label minimums and maximums, not measured values, shown as fed.
Not listed 38.00%
Fat Not listed 15.50%
Fiber 9.10% 3.10%
Calcium 0.81% Not listed
Phosphorus 0.71% Not listed
Omega-3 0.70% Not listed
Omega-6 4.18% Not listed
Taurine 0.45% Not listed
Moisture Higher moisture means a wetter food; it dilutes the other percentages above.
Not listed 7.50%
Calories 3689 kcal/kg 3878 kcal/kg
Calorie density Moderate Moderate
Ingredients
Full ingredient list Every ingredient on each label, in order of weight.
Chicken, Whole Grain Wheat, Corn Protein Meal, Powdered Cellulose, Chicken Fat, Wheat Gluten, Brewers Rice, Chicken Liver Flavor, Egg Product, Chicken Meal, Dried Beet Pulp, Soybean Oil, Lactic Acid, Calcium Sulfate, Fish Oil, Choline Chloride, Potassium Chloride, L-Lysine, Flaxseed, Taurine, DL-Methionine, vitamins (Vitamin E Supplement, L-Ascorbyl-2-Polyphosphate (source of Vitamin C), Niacin Supplement, Thiamine Mononitrate, Vitamin A Supplement, Calcium Pantothenate, Riboflavin Supplement, Biotin, Vitamin B12 Supplement, Pyridoxine Hydrochloride, Folic Acid, Vitamin D3 Supplement), Potassium Citrate, Iodized Salt, Calcium Carbonate, minerals (Ferrous Sulfate, Zinc Oxide, Copper Sulfate, Manganous Oxide, Calcium Iodate, Sodium Selenite), L-Carnitine, L-Tryptophan, Mixed Tocopherols for freshness, Natural Flavors, Beta-Carotene. Show full list
Chicken by-product meal, corn flour, chicken fat, wheat gluten, corn protein meal, natural flavors (ONLY FOR MEXICO: including poultry), brewers rice, wheat, dried plain beet pulp, calcium sulfate, sodium pyrophosphate, potassium chloride, choline chloride, fructooligosaccharides, salt, marine microalgae oil, rosemary extract, preserved with mixed tocopherols and citric acid, vitamins [DL-alpha tocopherol acetate (source of vitamin E), niacin supplement, biotin, riboflavin supplement, D-calcium pantothenate, thiamine mononitrate (vitamin B1), pyridoxine hydrochloride (vitamin B6), vitamin B12 supplement, vitamin A acetate, vitamin D3 supplement, folic acid], taurine, trace minerals [zinc oxide, ferrous sulfate, manganous oxide, copper sulfate, sodium selenite, calcium iodate]. Show full list
Limited ingredient No No
Marketed benefits Urinary care, Hairball control, Digestive health Weight management, Appetite support
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 Yes
Life stages Adult Maintenance Adult Maintenance
Substantiation How adequacy was established. Feeding trials are the higher bar; formulation means the recipe is calculated to meet the profile.
Feeding Trials Formulation
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 We track the FDA's animal food recall listings back to January 2019 and publish every pet food recall automatically. A filing that isn't pet food may not appear here.
None None
Where to buy
Shop Chewy Amazon
Shop Chewy Amazon

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Shared ingredients

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

  • Corn Protein Meal
  • Chicken Fat
  • Wheat Gluten
  • Brewer's Rice

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Common Questions

Which food scores higher on KibbleLab?

Hill's Science Diet Adult Urinary Hairball Control Chicken & Rice Recipe Dry Cat Food scores higher, 9.5 to 9.0 out of 10. Scores reflect published veterinary science.

Do these two foods share ingredients?

Yes. They share these top ingredients: Corn Protein Meal, Chicken Fat, Wheat Gluten, Brewer's Rice.

Are both foods AAFCO complete and balanced?

Yes, both foods are labeled AAFCO complete and balanced.

See the full profiles: Hill's Science Diet Adult Urinary Hairball Control Chicken & Rice Recipe Dry Cat Food and Royal Canin Fussy Adult Dry Cat 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.