NutriSource PureVita Pork & Blueberry Grain Free Dry Dog Food Zignature Original Pork Formula Dry Dog Food
Zignature Original Pork Formula Dry Dog Food scores higher on KibbleLab, 8.3 to 8.2. Compare ingredients, guaranteed analysis, and AAFCO nutritional adequacy, side by side.
NutriSource PureVita Pork & Blueberry Grain Free Dry Dog Food and Zignature Original Pork Formula Dry Dog Food compared
| Attribute |
Verified Aug 18, 2026 |
Verified Aug 28, 2026 |
|---|---|---|
KibbleLab scoreThe KibbleLab expert rating, 0 to 10, based on published veterinary science. |
8.2 / 10 | 8.3 / 10 |
| Guaranteed analysis (as fed) | ||
ProteinGuaranteed analysis gives label minimums and maximums, not measured values, shown as fed. |
24.00% | 30.00% |
| Fat | 15.00% | 15.00% |
| Fiber | 6.00% | 4.00% |
| Omega-3 | 1.00% | 0.90% |
| Omega-6 | 1.80% | 3.00% |
| Taurine | 0.08% | 0.20% |
MoistureHigher moisture means a wetter food; it dilutes the other percentages above. |
10.00% | 10.00% |
| Calories | 3866 kcal/kg | 3700 kcal/kg |
| Calorie density | Moderate | Moderate |
| Ingredients | ||
Full ingredient listEvery ingredient on each label, in order of weight. |
pork, pork meal, peas, garbanzo beans, pea flour, chickpea flour, sunflower oil, flax seed, dried plain beet pulp, dried blueberries, dried yeast, natural flavor, dehydrated alfalfa meal, dried tomato pomace, salmon oil (preserved with tocopherols), salt, potassium chloride, DL methionine, dried apricots, dried apples, threonine, choline chloride, minerals (zinc proteinate, iron proteinate, selenium yeast, copper proteinate, magnesium proteinate, manganese proteinate, ethylenediamine dihydroiodide), brewers dried yeast, taurine, inulin, turmeric, vitamins (vitamin E supplement, niacin supplement, vitamin A supplement, riboflavin supplement, d-calcium pantothenate, thiamine mononitrate, pyridoxine hydrochloride, vitamin B12 supplement, biotin, vitamin D3 supplement, folic acid), calcium carbonate, lactic acid, L-ascorbyl-2-polyphosphate (source of vitamin C), citric acid (a preservative), yucca schidigera extract, yeast culture, dried Aspergillus oryzae fermentation extract, dried Bacillus subtilis fermentation product, dried Bacillus licheniformis fermentation product, dried Trichoderma longibrachiatum fermentation extract, dried Enterococcus faecium fermentation product, dried Lactobacillus acidophilus fermentation product, dried Bacillus subtilis fermentation extract, L-carnitine, rosemary extract Show full list Show less |
Pork, Pork Meal, Peas, Pea Flour, Chickpeas, Pork Fat (Preserved with Mixed Tocopherols), Natural Flavor, Flaxseed, Choline Chloride, Salt, Vitamins (Vitamin E Supplement, Vitamin A Supplement, Niacinamide, d-Calcium Pantothenate, Riboflavin, Vitamin D3 Supplement, Thiamine Mononitrate, Vitamin B12 Supplement, Pyridoxine Hydrochloride, Folic Acid, Biotin), Minerals (Zinc Proteinate, Iron Proteinate, Potassium Chloride, Copper Proteinate, Sodium Selenite, Manganese Proteinate, Calcium Iodate), Taurine, Mixed Tocopherols (Preservative), L-Carnitine, Rosemary Extract, Dried Bacillus Coagulans Fermentation Product, Dried Bacillus Subtilis Fermentation Product, Dried Bifidobacterium Bifidum Fermentation Product. Show full list Show less |
| Limited ingredient | Yes | Yes |
| Marketed benefits | Probiotic support, Digestive health, Joint care, Brain health, Heart care, Skin coat health, Antioxidant support | Probiotic support, Sensitive stomach, Skin coat health, Allergy support, High energy |
| Format & suitability | ||
| Food type | Dry | Dry |
| Texture | Kibble | Kibble |
| Processing | Not listed | Not listed |
| Life stage | All Life Stages | All Life Stages |
| Breed size | All Breed Sizes | All Breed Sizes |
| AAFCO nutritional adequacy | ||
Complete & balancedWhether 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 |
SubstantiationHow adequacy was established. Feeding trials are the higher bar; formulation means the recipe is calculated to meet the profile. |
Formulation | Formulation |
| Maker standards | ||
WSAVA guidelinesThe 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 accreditedThe 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 recordWe track the FDA's animal food recall listings back to January 2019 and publish every pet food recall automatically. A filing that isn't pet food may not appear here. |
None | None |
| Where to buy | ||
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Shared ingredients
Both foods list these among their top ingredients, by label weight.
- Pork
- Pea
- Chickpea
- Pea Flour
- Flaxseed
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Common Questions
Which food scores higher on KibbleLab?
Zignature Original Pork Formula Dry Dog Food scores higher, 8.3 to 8.2 out of 10. Scores reflect published veterinary science.
Do these two foods share ingredients?
Yes. They share these top ingredients: Pork, Pea, Chickpea, Pea Flour, Flaxseed.
Are both foods AAFCO complete and balanced?
Yes, both foods are labeled AAFCO complete and balanced.
See the full profiles: NutriSource PureVita Pork & Blueberry Grain Free Dry Dog Food and Zignature Original Pork Formula 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.
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