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Hill's Prescription Diet k/d With Lamb Dry Dog Food Royal Canin Boxer Adult Dry Dog Food

Hill's Prescription Diet k/d With Lamb Dry Dog Food scores higher on KibbleLab, 9.2 to 8.4. Compare ingredients, guaranteed analysis, and AAFCO nutritional adequacy, side by side.

Hill's Prescription Diet k/d With Lamb Dry Dog Food and Royal Canin Boxer Adult Dry Dog Food compared

Nutrients:
As Fed
Hill's Prescription Diet k/d With Lamb Dry Dog Food
Hill's Prescription Diet k/d With Lamb Dry Dog Food

Verified Jul 23, 2026

Royal Canin Boxer Adult Dry Dog Food
Royal Canin Boxer Adult Dry Dog Food

Verified Jul 26, 2026

KibbleLab score The KibbleLab expert rating, 0 to 10, based on published veterinary science.
9.2 / 10 8.4 / 10
Guaranteed analysis (as fed)
Protein Guaranteed analysis gives label minimums and maximums, not measured values, shown as fed.
Not listed 24.00%
Fat Not listed 18.00%
Fiber 1.80% 4.50%
Calcium 0.66% Not listed
Phosphorus 0.31% Not listed
Omega-3 1.20% Not listed
Taurine Not listed 0.16%
Moisture Higher moisture means a wetter food; it dilutes the other percentages above.
Not listed 10.00%
Calories 4049 kcal/kg 3891 kcal/kg
Calorie density High Moderate
Ingredients
Full ingredient list Every ingredient on each label, in order of weight.
Brown Rice, Brewers Rice, Chicken Fat, Lamb, Soybean Meal, Cracked Pearled Barley, Dried Beet Pulp, Egg Product, Hydrolyzed Chicken Flavor, Fish Oil, Soybean Oil, Pork Liver Flavor, Lactic Acid, L-Lysine, Calcium Carbonate, Calcium Sulfate, Potassium Citrate, Betaine, Whole Grain Oats, DL-Methionine, Potassium Chloride, Fructooligosaccharides (FOS), vitamins (Vitamin E Supplement, L-Ascorbyl-2-Polyphosphate (source of Vitamin C), Niacin Supplement, Thiamine Mononitrate, Pyridoxine Hydrochloride, Calcium Pantothenate, Riboflavin Supplement, Biotin, Vitamin A Supplement, Vitamin B12 Supplement, Folic Acid, Vitamin D3 Supplement), Choline Chloride, L-Threonine, Iodized Salt, Taurine, minerals (Ferrous Sulfate, Zinc Oxide, Copper Sulfate, Manganous Oxide, Calcium Iodate, Sodium Selenite), L-Tryptophan, L-Carnitine, Magnesium Oxide, Mixed Tocopherols for freshness, Natural Flavors, Beta-Carotene. Show full list
Brown rice, brewers rice, chicken fat, chicken by-product meal, oat groats, wheat gluten, pork meal, natural flavors, dried plain beet pulp, powdered cellulose, fish oil, vegetable oil, sodium silico aluminate, calcium carbonate, dried tomato pomace, potassium chloride, vitamins [DL-alpha tocopherol acetate (source of vitamin E), niacin supplement, L-ascorbyl-2-polyphosphate (source of vitamin C), 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], sodium tripolyphosphate, potassium citrate, hydrolyzed yeast, choline chloride, salt, glucosamine hydrochloride, taurine, DL-methionine, L-carnitine, L-lysine, marigold extract (Tagetes erecta L.), trace minerals [zinc proteinate, zinc oxide, ferrous sulfate, manganese proteinate, manganous oxide, copper sulfate, calcium iodate, sodium selenite, copper proteinate], L-tyrosine, monosodium phosphate, magnesium oxide, green tea extract, chondroitin sulfate, rosemary extract, preserved with mixed tocopherols and citric acid. Show full list
Limited ingredient No No
Health focus Kidney care, Appetite support, Urinary care Joint care, Heart care, Antioxidant 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 KibbleLab began logging recalls in July 2026, so earlier recalls may not appear.
None None
Where to buy
Amazon Petco
Amazon

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Shared ingredients

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

  • Brown Rice
  • Brewer's Rice
  • Chicken Fat
  • Beet Pulp

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Common Questions

Which food scores higher on KibbleLab?

Hill's Prescription Diet k/d With Lamb Dry Dog Food scores higher, 9.2 to 8.4 out of 10. Scores reflect published veterinary science.

Do these two foods share ingredients?

Yes. They share these top ingredients: Brown Rice, Brewer's Rice, Chicken Fat, Beet Pulp.

Are both foods AAFCO complete and balanced?

Yes, both foods are labeled AAFCO complete and balanced.

See the full profiles: Hill's Prescription Diet k/d With Lamb Dry Dog Food and Royal Canin Boxer 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.