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Merrick Backcountry Grain Free Heartlands Beef & Bison Dry Dog Food Nulo Raw Medley Large Breed Beef & Sweet Potato Recipe Dry Dog Food

Nulo Raw Medley Large Breed Beef & Sweet Potato Recipe Dry Dog Food scores higher on KibbleLab, 8.6 to 8.3. Compare ingredients, guaranteed analysis, and AAFCO nutritional adequacy, side by side.

Merrick Backcountry Grain Free Heartlands Beef & Bison Dry Dog Food and Nulo Raw Medley Large Breed Beef & Sweet Potato Recipe Dry Dog Food compared

Nutrients:
As Fed
Merrick Backcountry Grain Free Heartlands Beef & Bison Dry Dog Food
Merrick Backcountry Grain Free Heartlands Beef & Bison Dry Dog Food

Verified Jul 26, 2026

Nulo Raw Medley Large Breed Beef & Sweet Potato Recipe Dry Dog Food
Nulo Raw Medley Large Breed Beef & Sweet Potato Recipe Dry Dog Food

Verified Jul 24, 2026

KibbleLab score The KibbleLab expert rating, 0 to 10, based on published veterinary science.
8.3 / 10 8.6 / 10
Guaranteed analysis (as fed)
Protein Guaranteed analysis gives label minimums and maximums, not measured values, shown as fed.
34.00% 30.00%
Fat 16.00% 15.00%
Fiber 3.50% 5.00%
Calcium Not listed 1.00%
Phosphorus Not listed 0.90%
Omega-3 0.30% 0.25%
Omega-6 2.15% 1.80%
Taurine 0.17% 0.10%
Moisture Higher moisture means a wetter food; it dilutes the other percentages above.
11.00% 10.00%
Calories 3684 kcal/kg 3456 kcal/kg
Calorie density Moderate Moderate
Ingredients
Full ingredient list Every ingredient on each label, in order of weight.
Deboned Beef, Chicken Meal, Sweet Potatoes, Turkey Meal, Peas, Potatoes, Chicken Fat, Potato Protein, Natural Flavor, Bison, Pea Protein, Beef Bone Broth, Flaxseed, Miscanthus Grass, Dried Yeast, Beef Hearts, Beef Liver, Potassium Chloride, Salt, Choline Chloride, MINERALS [Zinc Amino Acid Complex, Iron Amino Acid Complex, Sodium Selenite, Manganese Amino Acid Complex, Copper Amino Acid Complex, Calcium Iodate], Tapioca, DL-Methionine, Sunflower Oil, Taurine, VITAMINS [Vitamin E Supplement, Vitamin B-12 Supplement, Vitamin A Supplement, Niacin (Vitamin B-3), Thiamine Mononitrate (Vitamin B-1), Calcium Pantothenate (Vitamin B-5), Folic Acid (Vitamin B-9), Riboflavin Supplement (Vitamin B-2), Menadione Sodium Bisulfite Complex (Vitamin K), Pyridoxine Hydrochloride (Vitamin B-6), Biotin (Vitamin B-7), Vitamin D-3 Supplement], Preserved With Mixed Tocopherols. A287624 Show full list
Deboned Beef, Chicken Meal, Pork Meal, Sweet Potato, Oats, Chickpeas, Lentils, Deboned Pork, Ground Miscanthus Grass, Chicken Fat (preserved with Mixed Tocopherols & Citric Acid), Deboned Lamb, Natural Flavor, Freeze-Dried Chicken, Freeze-Dried Chicken Heart, Ground Flaxseed, Salt, Yeast Culture, Freeze-Dried Chicken Liver, Potassium Chloride, Choline Chloride, DL-Methionine, Freeze-Dried Pumpkin, Freeze-Dried Chicken Necks, Freeze-Dried Kale, Freeze-Dried Broccoli, Freeze-Dried Blueberries, Taurine, Dried Chicory Root, L-Carnitine, Zinc Proteinate, Iron Proteinate, Vitamin E Supplement, Calcium Carbonate, Chondroitin Sulfate, Glucosamine Hydrochloride, Selenium Yeast, L-Ascorbyl-2-Polyphosphate (source of Vitamin C), Copper Proteinate, Manganese Proteinate, Turmeric, Niacin Supplement, Calcium Pantothenate, Riboflavin Supplement, Vitamin A Supplement, Thiamine Mononitrate, Vitamin D3 Supplement, Pyridoxine Hydrochloride, Vitamin B12 Supplement, Dried Bacillus coagulans Fermentation Product, Calcium Iodate, Folic Acid, Rosemary Extract. Show full list
Limited ingredient No No
Health focus Skin coat health, Joint care, High energy Joint care, Probiotic support, Immune support, Digestive health, Skin coat health, High energy, Heart care
Format & suitability
Food type Dry Dry
Texture Kibble Kibble
Processing Freeze Dried Not listed
Life stage Adult Adult
Breed size All Breed Sizes Large
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 No
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 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.

  • Deboned Beef
  • Chicken
  • Sweet Potato
  • Chicken Fat

Not sure which is right for your pet?

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Common Questions

Which food scores higher on KibbleLab?

Nulo Raw Medley Large Breed Beef & Sweet Potato Recipe Dry Dog Food scores higher, 8.6 to 8.3 out of 10. Scores reflect published veterinary science.

Do these two foods share ingredients?

Yes. They share these top ingredients: Deboned Beef, Chicken, Sweet Potato, Chicken Fat.

Are both foods AAFCO complete and balanced?

Merrick Backcountry Grain Free Heartlands Beef & Bison Dry Dog Food does not list an AAFCO status; Nulo Raw Medley Large Breed Beef & Sweet Potato Recipe Dry Dog Food is labeled complete and balanced.

See the full profiles: Merrick Backcountry Grain Free Heartlands Beef & Bison Dry Dog Food and Nulo Raw Medley Large Breed Beef & Sweet Potato 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.