Purina Cat Chow Complete vs Royal Canin Digestive Care
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 Cat Chow | Royal Canin |
|---|---|---|
| Nutritional adequacy | 35 | 25 |
| Ingredient quality | 11 | 18 |
| Additives & processing | 10 | 20 |
| Transparency | 6 | 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 Cat Chow | Royal Canin |
|---|---|---|
| Protein | 32% | 36% |
| Fat | 12% | 13% |
| Fiber | 3% | 4.8% |
| Moisture | 12% | 7.5% |
| Protein (dry-matter) | 36.4% | 38.9% |
First five ingredients
Purina Cat Chow
- Chicken by-product meal
- ground yellow corn
- corn protein meal
- whole grain wheat
- rice
Royal Canin
- Brewers rice
- chicken by-product meal
- wheat gluten
- soy protein isolate
- chicken fat
Flags on the label
Purina Cat Chow
- Unnamed animal ingredient ("animal fat")
- Synthetic vitamin K3 — questioned safety margin vs natural K sources
- Azo/synthetic dyes — purely cosmetic in pet food; −12 per distinct dye, capped
Royal Canin
- No taurine in the ingredient list or guarantee (cat food)
Cite this page
Bowlmark. "Purina Cat Chow Complete vs Royal Canin Digestive Care." https://www.bowlmark.com/compare/purina-cat-chow-complete-vs-royal-canin-digestive-care
- 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.