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Hill's Prescription Diet i/d Low Fat Chicken Flavor Dry Dog Food Royal Canin Small Adult Dry Dog Food

Compare ingredients, guaranteed analysis, and AAFCO nutritional adequacy, side by side.

Hill's Prescription Diet i/d Low Fat Chicken Flavor Dry Dog Food and Royal Canin Small Adult Dry Dog Food compared

Nutrients:
As Fed
Hill's Prescription Diet i/d Low Fat Chicken Flavor Dry Dog Food
Hill's Prescription Diet i/d Low Fat Chicken Flavor Dry Dog Food

Verified Oct 12, 2026

Royal Canin Small Adult Dry Dog Food
Royal Canin Small Adult Dry Dog Food

Verified Sep 22, 2026

KibbleLab score The KibbleLab expert rating, 0 to 10, based on published veterinary science.
Not listed 9.3 / 10
Guaranteed analysis (as fed)
Protein Guaranteed analysis gives label minimums and maximums, not measured values, shown as fed.
Not listed 25.00%
Fat Not listed 14.00%
Fiber 1.80% 3.20%
Calcium 0.84% 0.73%
Phosphorus 0.63% 0.56%
Omega-3 0.69% Not listed
Omega-6 1.78% Not listed
Taurine 0.14% Not listed
Moisture Higher moisture means a wetter food; it dilutes the other percentages above.
Not listed 10.50%
Calories 3511 kcal/kg 3744 kcal/kg
Calorie density Moderate Moderate
Ingredients
Full ingredient list Every ingredient on each label, in order of weight.
Brewers Rice, Corn Protein Meal, Chicken Meal, Chicken By-Product Meal, Hydrolyzed Chicken Flavor, Flaxseed, Chicken Fat, Ground Pecan Shells, Pork Liver Flavor, Lactic Acid, Fish Flavor, Ginger, Dried Beet Pulp, Iodized Salt, Potassium Citrate, Dried Citrus Pulp, Potassium Chloride, Choline Chloride, Calcium Sulfate, Dicalcium Phosphate, Glyceryl Monostearate, vitamins (Vitamin E Supplement, Thiamine Mononitrate, L-Ascorbyl-2-Polyphosphate (source of Vitamin C), Niacin Supplement, Calcium Pantothenate, Vitamin A Supplement, Pyridoxine Hydrochloride, Riboflavin Supplement, Vitamin B12 Supplement, Biotin, Folic Acid, Vitamin D3 Supplement), Pressed Cranberries, L-Lysine, Taurine, minerals (Ferrous Sulfate, Zinc Oxide, Copper Sulfate, Manganous Oxide, Calcium Iodate, Sodium Selenite), Magnesium Oxide, Mixed Tocopherols for freshness, Natural Flavors, L-Carnitine, Beta-Carotene. Show full list
INGREDIENTS: Corn, chicken by-product meal, brewers rice, brown rice, corn protein meal, chicken fat, natural flavors (ONLY FOR MEXICO: including poultry, cow milk, pork), dried plain beet pulp, vegetable oil, wheat gluten, fish oil, potassium chloride, calcium carbonate, choline chloride, salt, fructooligosaccharides, sodium tripolyphosphate, vitamins [DL-alpha tocopherol acetate (source of vitamin E), L-ascorbyl-2-polyphosphate (source of vitamin C), biotin, D-calcium pantothenate, pyridoxine hydrochloride (vitamin B6), vitamin A acetate, riboflavin supplement, niacin supplement, folic acid, vitamin B12 supplement, thiamine mononitrate (vitamin B1), vitamin D3 supplement], monocalcium phosphate, DL-methionine, rosemary extract, preserved with mixed tocopherols and citric acid, L-lysine, trace minerals [zinc proteinate, zinc oxide, manganese proteinate, ferrous sulfate, manganous oxide, copper sulfate, sodium selenite, calcium iodate, copper proteinate], magnesium oxide, L-carnitine. Show full list
Limited ingredient No No
Marketed benefits Digestive health, Probiotic support, Low fat Weight management, Digestive health, Probiotic support
Format & suitability
Food type Dry Dry
Texture Kibble Kibble
Processing Not listed Not listed
Life stage Adult Adult
Breed size Small, Medium 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 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 Petco
Amazon

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Shared ingredients

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

  • Brewer's Rice
  • Corn Protein Meal
  • Chicken By-Product
  • Chicken Fat

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Common Questions

Do these two foods share ingredients?

Yes. They share these top ingredients: Brewer's Rice, Corn Protein Meal, Chicken By-Product, Chicken Fat.

Are both foods AAFCO complete and balanced?

Yes, both foods are labeled AAFCO complete and balanced.

See the full profiles: Hill's Prescription Diet i/d Low Fat Chicken Flavor Dry Dog Food and Royal Canin Small Adult 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.