Diamond Naturals All Life Stages Dog Chicken & Rice Formula 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
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 | Diamond Naturals | Purina ONE |
|---|---|---|
| Nutritional adequacy | 35 | 35 |
| Ingredient quality | 31 | 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 | Diamond Naturals | Purina ONE |
|---|---|---|
| Protein | 26% | 32% |
| Fat | 16% | 9% |
| Fiber | 2.5% | 5.5% |
| Moisture | 10% | 12% |
| Protein (dry-matter) | 28.9% | 36.4% |
First five ingredients
Diamond Naturals
- Chicken
- chicken meal
- whole grain brown rice
- cracked pearled barley
- white rice
Purina ONE
- Beef
- chicken meal
- soybean meal
- oat meal
- corn protein meal
Flags on the label
Diamond Naturals
No warning flags on this label.
Purina ONE
- Synthetic vitamin K3 — questioned safety margin vs natural K sources
Cite this page
Bowlmark. "Diamond Naturals All Life Stages Dog Chicken & Rice Formula 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/diamond-naturals-all-life-stages-dog-chicken-and-rice-formula-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 September 5, 2026
The engine and config above are the ones stamped on this page's score — the exact pair that produced the number shown.