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Blue Buffalo Blue Natural Veterinary Diet W+U Weight Management + Urinary Care Dry Dog Food Hill's Science Diet Adult Small Bites No Corn, Wheat, Soy Chicken & Brown Rice Recipe Dry Dog Food

Blue Buffalo Blue Natural Veterinary Diet W+U Weight Management + Urinary Care Dry Dog Food scores higher on KibbleLab, 8.6 to 8.4. Compare ingredients, guaranteed analysis, and AAFCO nutritional adequacy, side by side.

Blue Buffalo Blue Natural Veterinary Diet W+U Weight Management + Urinary Care Dry Dog Food and Hill's Science Diet Adult Small Bites No Corn, Wheat, Soy Chicken & Brown Rice Recipe Dry Dog Food compared

Nutrients:
As Fed
Blue Buffalo Blue Natural Veterinary Diet W+U Weight Management + Urinary Care Dry Dog Food
Blue Buffalo Blue Natural Veterinary Diet W+U Weight Management + Urinary Care Dry Dog Food

Verified Jul 26, 2026

Hill's Science Diet Adult Small Bites No Corn, Wheat, Soy Chicken & Brown Rice Recipe Dry Dog Food
Hill's Science Diet Adult Small Bites No Corn, Wheat, Soy Chicken & Brown Rice Recipe Dry Dog Food

Verified Jul 26, 2026

KibbleLab score The KibbleLab expert rating, 0 to 10, based on published veterinary science.
8.6 / 10 8.4 / 10
Guaranteed analysis (as fed)
Protein Guaranteed analysis gives label minimums and maximums, not measured values, shown as fed.
30.00% Not listed
Fat 10.00% Not listed
Fiber 17.00% 1.70%
Calcium 1.00% 0.96%
Phosphorus 0.70% 0.77%
Omega-3 0.50% 0.95%
Omega-6 2.00% 3.56%
Taurine 0.20% Not listed
Moisture Higher moisture means a wetter food; it dilutes the other percentages above.
10.00% Not listed
Calories 3123 kcal/kg 3713 kcal/kg
Calorie density Low Moderate
Ingredients
Full ingredient list Every ingredient on each label, in order of weight.
Deboned Chicken, Chicken Meal, Brown Rice, Barley, Powdered Cellulose, Potato Protein, Dried Tomato Pomace, Natural Flavor, Oatmeal, Flaxseed (source of Omega 6 Fatty Acids), Salmon Meal (Source of Omega 3 Fatty Acids), Chicken Fat (preserved with Mixed Tocopherols), Cranberries, Calcium Sulfate, Betaine Hydrochloride, Potassium Citrate, Choline Chloride, Potassium Chloride, Direct Dehydrated Alfalfa Pellets, Dried Chicory Root, Taurine, Alfalfa Nutrient Concentrate, DL-Methionine, Calcium Chloride, Calcium Carbonate, Vitamin E Supplement, Sweet Potatoes, Carrots, Salt, Zinc Amino Acid Chelate, L-Carnitine, preserved with Mixed Tocopherols, L-Threonine, L-Tryptophan, Iron Amino Acid Chelate, Garlic, Vegetable Juice for color, L-Ascorbyl-2-Polyphosphate (source of Vitamin C), Blueberries, Barley Grass, Parsley, Turmeric, Dried Kelp, Yucca Schidigera Extract, Copper Amino Acid Chelate, Manganese Amino Acid Chelate, Niacin (Vitamin B3), Calcium Pantothenate (Vitamin B5), L-Lysine, Biotin (Vitamin B7), Vitamin A Supplement, Zinc Sulfate, Ferrous Sulfate, Thiamine Mononitrate (Vitamin B1), Riboflavin (Vitamin B2), Vitamin D3 Supplement, Vitamin B12 Supplement, Pyridoxine Hydrochloride (Vitamin B6), Calcium Iodate, Dried Yeast, Dried Enterococcus faecium fermentation product, Dried Lactobacillus acidophilus fermentation product, Dried Aspergillus niger fermentation extract, Dried Trichoderma longibrachiatum fermentation extract, Dried Bacillus subtilis fermentation extract, Copper Sulfate, Folic Acid (Vitamin B9), Manganese Sulfate, Sodium Selenite, Oil of Rosemary. Show full list
Chicken, Brown Rice, Brewers Rice, Cracked Pearled Barley, Chicken Meal, Whole Grain Oats, Chicken Fat, Pea Protein, Flaxseed, Dried Beet Pulp, Chicken Liver Flavor, Lactic Acid, Potassium Chloride, Iodized Salt, Choline Chloride, Green Peas, DL-Methionine, Apples, vitamins (Vitamin E Supplement, L-Ascorbyl-2-Polyphosphate (source of Vitamin C), Niacin Supplement, Thiamine Mononitrate, Vitamin A Supplement, Calcium Pantothenate, Vitamin B12 Supplement, Pyridoxine Hydrochloride, Riboflavin Supplement, Biotin, Folic Acid, Vitamin D3 Supplement), Cranberries, Calcium Carbonate, Carrots, minerals (Ferrous Sulfate, Zinc Oxide, Copper Sulfate, Manganous Oxide, Calcium Iodate, Sodium Selenite), Taurine, Broccoli, Mixed Tocopherols for freshness, Natural Flavors, Beta-Carotene. Show full list
Limited ingredient No No
Health focus Weight management, Urinary care, Immune support, Antioxidant support, Skin coat health, Digestive health Immune support, Digestive health, Skin coat health
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.
Not indicated Yes
Life stages Not listed Adult Maintenance
Substantiation How adequacy was established. Feeding trials are the higher bar; formulation means the recipe is calculated to meet the profile.
Not listed 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.
No 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.
No Yes
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 Chewy
Amazon

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Shared ingredients

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

  • Chicken
  • Brown Rice
  • Barley
  • Flaxseed

Not sure which is right for your pet?

Sign in free to see Blue Buffalo Blue Natural Veterinary Diet W+U Weight Management + Urinary Care Dry Dog Food and Hill's Science Diet Adult Small Bites No Corn, Wheat, Soy Chicken & Brown Rice Recipe Dry Dog Food scored for your pet's breed, age, and health focus, save favorites, and compare foods side by side.

Common Questions

Which food scores higher on KibbleLab?

Blue Buffalo Blue Natural Veterinary Diet W+U Weight Management + Urinary Care Dry Dog Food scores higher, 8.6 to 8.4 out of 10. Scores reflect published veterinary science.

Do these two foods share ingredients?

Yes. They share these top ingredients: Chicken, Brown Rice, Barley, Flaxseed.

Are both foods AAFCO complete and balanced?

Blue Buffalo Blue Natural Veterinary Diet W+U Weight Management + Urinary Care Dry Dog Food does not list an AAFCO status; Hill's Science Diet Adult Small Bites No Corn, Wheat, Soy Chicken & Brown Rice Recipe Dry Dog Food is labeled complete and balanced.

See the full profiles: Blue Buffalo Blue Natural Veterinary Diet W+U Weight Management + Urinary Care Dry Dog Food and Hill's Science Diet Adult Small Bites No Corn, Wheat, Soy Chicken & Brown Rice Recipe 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.