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Instinct RawBoost Whole Grain Real Chicken & Brown Rice Puppy Dry Dog Food Nulo Challenger High-Protein Large Breed Puppy Kibble Alpine Ranch Beef, Lamb & Pork

Nulo Challenger High-Protein Large Breed Puppy Kibble Alpine Ranch Beef, Lamb & Pork scores higher on KibbleLab, 8.8 to 8.7. Compare ingredients, guaranteed analysis, and AAFCO nutritional adequacy, side by side.

Instinct RawBoost Whole Grain Real Chicken & Brown Rice Puppy Dry Dog Food and Nulo Challenger High-Protein Large Breed Puppy Kibble Alpine Ranch Beef, Lamb & Pork compared

Nutrients:
As Fed
Instinct RawBoost Whole Grain Real Chicken & Brown Rice Puppy Dry Dog Food
Instinct RawBoost Whole Grain Real Chicken & Brown Rice Puppy Dry Dog Food

Verified Jul 20, 2026

Dry pet food
Nulo Challenger High-Protein Large Breed Puppy Kibble Alpine Ranch Beef, Lamb & Pork

Verified Jul 22, 2026

KibbleLab score The KibbleLab expert rating, 0 to 10, based on published veterinary science.
8.7 / 10 8.8 / 10
Guaranteed analysis (as fed)
Protein Guaranteed analysis gives label minimums and maximums, not measured values, shown as fed.
28.00% 32.00%
Fat 15.00% 14.00%
Fiber 4.00% 5.00%
Calcium 1.20% 1.20%
Phosphorus 1.00% 1.00%
Omega-3 1.00% 0.70%
Omega-6 2.50% 2.30%
Taurine 0.10% 0.20%
Moisture Higher moisture means a wetter food; it dilutes the other percentages above.
10.00% 10.00%
Calories 3730 kcal/kg 3471 kcal/kg
Calorie density Moderate Moderate
Ingredients
Full ingredient list Every ingredient on each label, in order of weight.
Chicken, Chicken Meal, Barley, Turkey Meal, Oatmeal, Brown Rice, Sorghum, Dried Yeast, Chicken Fat (Preserved with Mixed Tocopherols), Ground Flaxseeds, Salmon Oil, Freeze-Dried Chicken, Natural Flavor, Freeze-Dried Chicken Liver, Salt, Pumpkin Seeds, Freeze-Dried Chicken Heart, Apples, Blueberries, Cranberries, Carrots, Potassium Chloride, Montmorillonite Clay, Miscanthus Grass, Minerals (Zinc Proteinate, Iron Proteinate, Copper Proteinate, Manganese Proteinate, Sodium Selenite, Ethylenediamine Dihydroiodide), Choline Chloride, Vitamins (Vitamin E Supplement, Vitamin A Supplement, Niacin Supplement, Thiamine Mononitrate, d-Calcium Pantothenate, Riboflavin Supplement, Pyridoxine Hydrochloride, Vitamin B12 Supplement, Folic Acid, Vitamin D3 Supplement, Biotin), Taurine, Yeast Culture, Dried Lactobacillus acidophilus Fermentation Product, Dried Enterococcus Faecium Fermentation Product, Dried Aspergillus oryzae Fermentation Extract, Dried Trichoderma longibrachiatum Fermentation Extract, Dried Bacillus subtilis Fermentation Extract, Rosemary Extract. Show full list
Deboned Beef, Deboned Lamb, Turkey Meal, Chicken Meal, Salmon Meal, Organic Oats, Organic Millet, Organic Barley, Deboned Pork, Chicken Fat (preserved with Mixed Tocopherols & Citric Acid), Ground Miscanthus Grass, Organic Rye, Natural Flavor, Chicken Cartilage, Ground Flaxseed, Potassium Chloride, Dried Carrots, Salt, Dried Pumpkin, Dried Blueberries, Dried Spinach, Dried Chicory Root, DL-Methionine, Choline Chloride, Calcium Carbonate, Taurine, Vitamin E Supplement, Dicalcium Phosphate, Zinc Proteinate, Zinc Sulfate, L-Ascorbyl-2-Polyphosphate (source of Vitamin C), Iron Proteinate, Niacin Supplement, Ferrous Sulfate, Copper Proteinate, Copper Sulfate, Vitamin A Supplement, Manganese Proteinate, Thiamine Mononitrate, Calcium Pantothenate, Riboflavin Supplement, Pyridoxine Hydrochloride, Manganous Oxide, Biotin, Dried Bacillus coagulans Fermentation Product, Vitamin B12 Supplement, Vitamin D3 Supplement, Folic Acid, Sodium Selenite, Calcium Iodate, Rosemary Extract. Show full list
Limited ingredient No No
Health focus Digestive health, Skin coat health, Immune support, Bone health, Brain health, Eye health Probiotic support, Immune support, Skin coat health, Bone health, Brain health, Eye health, Heart care, High energy
Format & suitability
Food type Dry Dry
Texture Kibble Kibble
Processing Freeze Dried Not listed
Life stage Puppy Puppy
Breed size Large 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.
Yes Yes
Life stages All Life Stages, Large Breed Growth (70+ lbs) All Life Stages, Large Breed Growth (70+ lbs)
Substantiation How adequacy was established. Feeding trials are the higher bar; formulation means the recipe is calculated to meet the profile.
Formulation 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.
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
Amazon

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Shared ingredients

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

  • Chicken
  • Barley
  • Turkey
  • Chicken Fat

Not sure which is right for your pet?

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Common Questions

Which food scores higher on KibbleLab?

Nulo Challenger High-Protein Large Breed Puppy Kibble Alpine Ranch Beef, Lamb & Pork scores higher, 8.8 to 8.7 out of 10. Scores reflect published veterinary science.

Do these two foods share ingredients?

Yes. They share these top ingredients: Chicken, Barley, Turkey, Chicken Fat.

Are both foods AAFCO complete and balanced?

Yes, both foods are labeled AAFCO complete and balanced.

See the full profiles: Instinct RawBoost Whole Grain Real Chicken & Brown Rice Puppy Dry Dog Food and Nulo Challenger High-Protein Large Breed Puppy Kibble Alpine Ranch Beef, Lamb & Pork .

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.