ROYAL CANIN · REVIEW
Royal Canin Urinary S/O
Royal Canin Urinary S/O scores 1.5/5 for ingredient quality — a dry food cat food with 34.5% protein targeting adult cats.
Poor
MiauMiau AI score · 1.5/5
AI ANALYSIS
What MiauMiau's AI actually sees
This food is extremely poor for an obligate carnivore, with rice as the first ingredient and wheat gluten, maize flour, and maize gluten dominating the top ingredients. The estimated DMB protein of 176.9% is an impossible value, indicating a severe data error or miscalculation, making protein adequacy impossible to assess accurately from the provided data.
According to MiauMiau's analysis of over 2,700+ dry food products, Royal Canin Urinary S/O Adult Dry Cat Food scores below the dry food average.
Analyzed by MiauMiau's Nutritional AI · April 2026
This analysis is generated from ingredient and compositional data. It is not veterinary advice. Always consult your veterinarian for health decisions.
Score breakdown
HOW IT COMPARES
Royal Canin Urinary S/O vs. the category
Compared to the average dry food across 2,700+ products in our database.
Category avg: 2.6/5
Scores 1.1 points below the average dry food
OUR ASSESSMENT
What we like vs. what to watch
What we like
- Clean formula with no controversial additives
- Grain-free formula
- Nutritionally complete — suitable as a sole diet
What to watch
- Ingredient quality is below average
- Protein content falls short of optimal levels
- Contains notable filler ingredients
WHO IT'S FOR
Is this right for your cat?
Best for
INGREDIENTS
What's actually in the bag
Top ingredients
- 01Rice
- 02wheat gluten
- 03dehydrated poultry protein
- 04maize flour
- 05animal fats
Ingredients are listed by weight. The first ingredients make up the majority of the formula.
Concerns
- Multiple grain-based fillers among the top ingredients
NUTRITION
The numbers
Guaranteed analysis
Dry matter basis
Dry matter basis removes water content for accurate comparison between wet and dry foods.
FULL LABEL
Every ingredient
Rice, wheat gluten, dehydrated poultry protein, maize flour, animal fats, hydrolysed animal proteins, maize gluten, minerals, vegetable fibres, fish oil, soya oil, fructo-oligosaccharides, marigold meal.
FAQ
Questions worth answering
Is Royal Canin Urinary S/O good for cats?
According to MiauMiau's AI analysis, Royal Canin Urinary S/O is a below-average dry food with a quality score of 1.5 out of 5. This food is extremely poor for an obligate carnivore, with rice as the first ingredient and wheat gluten, maize flour, and maize gluten dominating the top ingredients. The estimated DMB protein of 176.9% is an impossible value, indicating a severe data error or miscalculation, making protein adequacy impossible to assess accurately from the provided data.
What is the protein content of Royal Canin Urinary S/O?
Royal Canin Urinary S/O contains 34.5% protein as listed on the label. On a dry matter basis, that's 176.92% protein. Dry matter basis is the fairest way to compare protein between wet and dry foods because it removes water content from the equation.
Is Royal Canin Urinary S/O grain-free?
Yes, Royal Canin Urinary S/O is grain-free. It does not contain wheat, corn, rice, or other grain ingredients. This can be beneficial for cats with grain sensitivities, though most healthy cats tolerate grains without issues.
How does Royal Canin Urinary S/O compare to other dry food?
According to MiauMiau's database of over 2,700+ cat food products, Royal Canin Urinary S/O scores 1.1 points below the average dry food quality score of 2.6. MiauMiau's AI evaluates ingredient quality, protein adequacy, filler content, and additive safety to generate each score.
Is Royal Canin Urinary S/O suitable for kittens or senior cats?
Royal Canin Urinary S/O is formulated for adult cats. Its high protein content (176.92% dry matter basis) may also be suitable for kittens, but a dedicated kitten formula is generally recommended. If you have a kitten or a senior cat, look for formulas specifically designed for their life stage.
What are the main ingredients in Royal Canin Urinary S/O?
The top 5 ingredients in Royal Canin Urinary S/O are: Rice, wheat gluten, dehydrated poultry protein, maize flour, animal fats. The primary ingredient is Rice. The remaining top ingredients are wheat gluten, dehydrated poultry protein, maize flour, animal fats. Ingredient order indicates proportion by weight, so the first ingredients make up the bulk of the formula.
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