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Hill's Prescription Diet k/d With Lamb Dry Dog Food Royal Canin Canine Gastrointestinal Low Fat Small Dog 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 Canine Gastrointestinal Low Fat Small Dog 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 Canine Gastrointestinal Low Fat Small Dog Dry Dog Food
Royal Canin Canine Gastrointestinal Low Fat Small Dog Dry Dog Food

Verified Jul 21, 2026

KibbleLab score The KibbleLab expert rating, 0 to 10, based on published veterinary science. No one can pay for a higher score.
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 20.00%
Fat Not listed 5.00%
Fiber 1.80% 4.70%
Calcium 0.66% Not listed
Phosphorus 0.31% Not listed
Omega-3 1.20% Not listed
Moisture Higher moisture means a wetter food; it dilutes the other percentages above.
Not listed 10.50%
Calories 4049 kcal/kg 3203 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
Brewers rice, chicken by-product meal, barley, natural flavors, dried plain beet pulp, pork digest, pea fiber, chicken fat, powdered psyllium seed husk, salt, monocalcium phosphate, potassium chloride, calcium carbonate, sodium aluminosilicate, fish oil, fructooligosaccharides, choline chloride, vitamins[DL-alpha tocopherol acetate (source of vitamin E), L-ascorbyl-2-polyphosphate (source of vitamin C), biotin, D-calcium pantothenate, vitamin A acetate, riboflavin supplement, niacin supplement, vitamin B12 supplement, pyridoxine hydrochloride (vitamin B6), thiamine mononitrate (vitamin B1), vitamin D3 supplement, folic acid], rosemary extract, preserved with mixed tocopherols and citric acid, hydrolyzed yeast, DL-methionine, trace minerals[zinc proteinate, zinc oxide, ferrous sulfate, manganese proteinate, manganous oxide, copper sulfate, sodium selenite, calcium iodate, copper proteinate], marigold extract (Tagetes erecta L.), taurine. Show full list
Limited ingredient No No
Health focus Kidney care, Appetite support, Urinary care Low fat, Digestive health
Format & suitability
Food type Dry Dry
Texture Kibble Kibble
Processing Not listed Not listed
Life stage Adult Adult
Breed size All Breed Sizes 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 KibbleLab began logging recalls in July 2026, so earlier recalls may not appear.
None None
Where to buy
Amazon Petco
Amazon PetSmart

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Shared ingredients

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

  • Brewer's Rice
  • Chicken Fat
  • Barley
  • 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, and no one can pay for a higher score.

Do these two foods share ingredients?

Yes. They share these top ingredients: Brewer's Rice, Chicken Fat, Barley, 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 Canine Gastrointestinal Low Fat 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.