Blue Buffalo vs Purina Pro Plan

Bottom line: Across 427 independently scored formulas, Blue Buffalo leads overall (83.1 vs 78.4 average VetKriter™ score), while Blue Buffalo scores higher for kittens and puppies (87.1 vs 81.8). The life-stage and species breakdown below shows which brand fits your pet.

Blue Buffalo and Purina Pro Plan are compared using the VetKriter scientific scoring system. Blue Buffalo has 308 products with an average VetKriter™ score of 83.1, while Purina Pro Plan has 119 products with an average VetKriter™ score of 78.4.

Blue Buffalo leads with a 4.7 point higher average VetKriter™ score.

Higher Score

Blue Buffalo

308 Products
83.1
Average VetKriter™
Protein 18.6%
Fat 9.9%
VetKriter™ Min–Max 65.00 – 93.30
VS

Purina Pro Plan

119 Products
78.4
Average VetKriter™
Protein 22.3%
Fat 10.7%
VetKriter™ Min–Max 67.00 – 89.00

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Blue Buffalo vs Purina Pro Plan for Dogs

Average VetKriter™ score of dog formulas, excluding veterinary diets: Blue Buffalo 82.3 (192 formulas) · Purina Pro Plan 76.3 (67 formulas).

Blue Buffalo vs Purina Pro Plan for Cats

Average VetKriter™ score of cat formulas, excluding veterinary diets: Blue Buffalo 86.0 (98 formulas) · Purina Pro Plan 81.1 (52 formulas).

Veterinary diets: BLUE Natural Veterinary Diet vs Purina Pro Plan Veterinary Diets

Veterinary (therapeutic) diets are formulated for specific medical conditions and should be fed under your veterinarian's guidance; some retailers ask for veterinary authorization. VetKriter™ scores them on a separate therapeutic scale, so these scores are not comparable with the everyday formulas above. “—” means no product for that condition is in the VetKriter™ catalog yet; the brand may still offer one.

Veterinary diets for dogs

Condition BLUE Natural Veterinary Diet Purina Pro Plan Veterinary Diets
Digestive (GI) +6 more in the VetKriter™ catalog
Kidney —
Urinary —
Food allergy / hypoallergenic +1 more in the VetKriter™ catalog

Veterinary diets for cats

Frequently Asked Questions

According to VetKriter analysis, Blue Buffalo has an average VetKriter™ score of 83.1 (308 products), while Purina Pro Plan has 78.4 (119 products). Individual products should be compared based on your pet's specific needs.

Blue Buffalo products average 18.6% crude protein, while Purina Pro Plan averages 22.3%. Both values should be evaluated in the context of the overall nutritional profile.

Both Blue Buffalo and Purina Pro Plan contain products evaluated by VetKriter using AAFCO, FEDIAF, and NRC standards. We recommend consulting your veterinarian to find the most suitable food for your pet.

For kittens and puppies, Blue Buffalo leads: Blue Buffalo averages 87.1 VetKriter™ score across 39 formulas, while Purina Pro Plan averages 81.8 across 27.

For senior pets, Blue Buffalo leads: Blue Buffalo averages 83.9 VetKriter™ score across 28 formulas, while Purina Pro Plan averages 78.4 across 14.

For adult dogs and cats, Blue Buffalo leads: Blue Buffalo averages 82.9 VetKriter™ score across 232 formulas, while Purina Pro Plan averages 77.2 across 85.

For cats, Blue Buffalo leads: Blue Buffalo averages 85.9 VetKriter™ score across 101 formulas, while Purina Pro Plan averages 81.1 across 52.

For dogs, Blue Buffalo leads: Blue Buffalo averages 82.3 VetKriter™ score across 197 formulas, while Purina Pro Plan averages 76.3 across 67.

Related Pages

Scientific Analysis by
Doc. Dr. Mehmet COLAK
VetKriter™ · AAFCO / FEDIAF / NRC 2026

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