Purina ONE Ideal Weight High Protein Natural Cat Food vs Royal Canin Indoor Adult
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 | Purina ONE | Royal Canin |
|---|---|---|
| Nutritional adequacy | 35 | 35 |
| Ingredient quality | 22 | 22 |
| Additives & processing | 17 | 20 |
| Transparency | 9 | 6 |
Guaranteed analysis
As printed on each label; dry-matter protein removes the moisture so wet and dry read on the same basis.
| Metric | Purina ONE | Royal Canin |
|---|---|---|
| Protein | 42% | 27% |
| Fat | 9% | 11% |
| Fiber | 5% | 5.7% |
| Moisture | 12% | 8% |
| Protein (dry-matter) | 47.7% | 29.3% |
First five ingredients
Purina ONE
- Turkey
- chicken by-product meal
- corn gluten meal
- soy flour
- rice flour
Royal Canin
- Chicken meal
- corn
- brewers rice
- corn gluten meal
- wheat
Flags on the label
Purina ONE
- soy appears as 3 fractions in the top 8
- Synthetic vitamin K3 — questioned safety margin vs natural K sources
Royal Canin
No warning flags on this label.
Cite this page
Bowlmark. "Purina ONE Ideal Weight High Protein Natural Cat Food vs Royal Canin Indoor Adult." https://www.bowlmark.com/compare/purina-one-ideal-weight-high-protein-natural-cat-food-vs-royal-canin-indoor-adult
- 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.