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Hill's Prescription Diet t/d Small Bites Chicken Flavor Dry Dog Food Royal Canin Canine Urinary SO Small Dog Dry Dog Food

Hill's Prescription Diet t/d Small Bites Chicken Flavor Dry Dog Food scores higher on KibbleLab, 8.7 to 8.6. Compare ingredients, guaranteed analysis, and AAFCO nutritional adequacy, side by side.

Hill's Prescription Diet t/d Small Bites Chicken Flavor Dry Dog Food and Royal Canin Canine Urinary SO Small Dog Dry Dog Food compared

Nutrients:
As Fed
Hill's Prescription Diet t/d Small Bites Chicken Flavor Dry Dog Food
Hill's Prescription Diet t/d Small Bites Chicken Flavor Dry Dog Food

Verified Jul 19, 2026

Royal Canin Canine Urinary SO Small Dog Dry Dog Food
Royal Canin Canine Urinary SO Small Dog Dry Dog Food

Verified Jul 24, 2026

KibbleLab score The KibbleLab expert rating, 0 to 10, based on published veterinary science.
8.7 / 10 8.6 / 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 15.00%
Fiber 10.80% 3.60%
Calcium 0.63% 1.00%
Phosphorus 0.45% 1.00%
Omega-3 0.24% Not listed
Omega-6 3.83% Not listed
Moisture Higher moisture means a wetter food; it dilutes the other percentages above.
Not listed 10.00%
Calories 3468 kcal/kg 3727 kcal/kg
Calorie density Moderate Moderate
Ingredients
Full ingredient list Every ingredient on each label, in order of weight.
Brewers Rice, Whole Grain Corn, Chicken By-Product Meal, Powdered Cellulose, Chicken Fat, Soybean Mill Run, Egg Product, Hydrolyzed Chicken Flavor, Soybean Oil, Lactic Acid, Potassium Chloride, Calcium Sulfate, Iodized Salt, L-Lysine, vitamins (Vitamin ESupplement, 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), Choline Chloride, DL-Methionine, minerals (Ferrous Sulfate, Zinc Oxide, Copper Sulfate, Manganous Oxide, Calcium Iodate, Sodium Selenite), Dicalcium Phosphate, Taurine, Mixed Tocopherols for freshness, Natural Flavors, Beta-Carotene. Show full list
Ingredients: Brewers rice, corn, chicken fat, chicken by-product meal, corn gluten meal, natural flavors, salt, wheat gluten, powdered cellulose, potassium chloride, vegetable oil, calcium sulfate, monocalcium phosphate, fish oil, DL-methionine, fructooligosaccharides, sodium tripolyphosphate, L-lysine, choline chloride, taurine, trace minerals [zinc proteinate, manganese proteinate, ferrous sulfate, zinc oxide, manganous oxide, copper sulfate, calcium iodate, sodium selenite, copper proteinate], vitamins [DL-alpha tocopherol acetate (source of vitamin E), biotin, D-calcium pantothenate, vitamin A acetate, niacin supplement, pyridoxine hydrochloride (vitamin B6), thiamine mononitrate (vitamin B1), vitamin B12 supplement, riboflavin supplement, vitamin D3 supplement, folic acid], marigold extract (Tagetes erecta L.), rosemary extract, preserved with mixed tocopherols and citric acid. Show full list
Limited ingredient No No
Health focus Dental care, Urinary care, Immune support, Antioxidant support Urinary care, Dental care
Format & suitability
Food type Dry Dry
Texture Kibble Kibble
Processing Not listed Not listed
Life stage Adult Adult
Breed size Small Small
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
Amazon

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Shared ingredients

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

  • Brewer's Rice
  • Chicken By-Product
  • Cellulose Powder
  • Chicken Fat

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Common Questions

Which food scores higher on KibbleLab?

Hill's Prescription Diet t/d Small Bites Chicken Flavor Dry Dog Food scores higher, 8.7 to 8.6 out of 10. Scores reflect published veterinary science.

Do these two foods share ingredients?

Yes. They share these top ingredients: Brewer's Rice, Chicken By-Product, Cellulose Powder, Chicken Fat.

Are both foods AAFCO complete and balanced?

Hill's Prescription Diet t/d Small Bites Chicken Flavor Dry Dog Food is labeled complete and balanced; Royal Canin Canine Urinary SO Small Dog Dry Dog Food does not list an AAFCO status.

See the full profiles: Hill's Prescription Diet t/d Small Bites Chicken Flavor Dry Dog Food and Royal Canin Canine Urinary SO Small Dog 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.