Blue Buffalo Life Protection Formula Adult Dry Dog Food - Chicken & Brown Rice vs Purina ONE True Instinct Lean Muscle Support With Real Beef Natural With Added Vitamins, Minerals and Nutrients High Protein
Order follows the Universal Score — the same deterministic engine, the same rules, for every product. Brands can't pay for placement.
The scores
91
Excellent · Confidence A
Bowlmark scores are independent opinions based on published label information and cited references. They are educational, not veterinary advice, and no substitute for your vet — especially for medical conditions or prescription diets.
Pillar by pillar
Weighted pillar contributions from each product's stored score — nutritional adequacy, ingredient quality, additives & processing, transparency.
| Metric | Blue Buffalo | Purina ONE |
|---|---|---|
| Nutritional adequacy | 35 | 35 |
| Ingredient quality | 30 | 29 |
| Additives & processing | 20 | 17 |
| Transparency | 6 | 9 |
Guaranteed analysis
As printed on each label; dry-matter protein removes the moisture so wet and dry read on the same basis.
| Metric | Blue Buffalo | Purina ONE |
|---|---|---|
| Protein | 24% | 32% |
| Fat | 14% | 9% |
| Fiber | 5% | 5.5% |
| Moisture | 10% | 12% |
| Protein (dry-matter) | 26.7% | 36.4% |
First five ingredients
Blue Buffalo
- Deboned Chicken
- Chicken Meal
- Brown Rice
- Oatmeal
- Barley
Purina ONE
- Beef
- chicken meal
- soybean meal
- oat meal
- corn protein meal
Flags on the label
Blue Buffalo
No warning flags on this label.
Purina ONE
- Synthetic vitamin K3 — questioned safety margin vs natural K sources
Cite this page
Bowlmark. "Blue Buffalo Life Protection Formula Adult Dry Dog Food - Chicken & Brown Rice vs Purina ONE True Instinct Lean Muscle Support With Real Beef Natural With Added Vitamins, Minerals and Nutrients High Protein." https://www.bowlmark.com/compare/blue-buffalo-life-protection-formula-adult-dry-dog-food-chicken-and-brown-rice-vs-purina-one-true-instinct-lean-muscle-support-with-real-beef-natural-with-added-vitamins-minerals-and-nutrients-high-protein
- Engine
- Methodology engine v1.1.0 · config 13c99e2f
- Verified
- Last verified August 20, 2026
The engine and config above are the ones stamped on this page's score — the exact pair that produced the number shown.