ROYAL CANIN · REVIEW
Royal Canin Feline Urinary SO® + Calm
Royal Canin Feline Urinary SO® + Calm scores 2.4/5 for ingredient quality — a dry food cat food with 32% protein targeting adult cats.
Below Average
MiauMiau AI score · 2.4/5
AI ANALYSIS
What MiauMiau's AI actually sees
This food uses chicken by-product meal as its primary animal protein source, which is a lower quality ingredient. The estimated carbohydrate content is extremely high at 48.0% DMB, indicating a significant amount of plant-based fillers like corn, wheat, and rice.
According to MiauMiau's analysis of over 2,700+ dry food products, Royal Canin Feline Urinary SO® + Calm scores close to 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 Feline Urinary SO® + Calm vs. the category
Compared to the average dry food across 2,700+ products in our database.
Category avg: 2.6/5
Scores 0.2 points below the average dry food
OUR ASSESSMENT
What we like vs. what to watch
What we like
- Clean formula with no controversial additives
- Nutritionally complete — suitable as a sole diet
- Named animal protein as the primary ingredient
What to watch
- Ingredient quality is below average
- Contains notable filler ingredients
- Uses vague 'derivatives' instead of named ingredients
- High carbohydrate content relative to protein
WHO IT'S FOR
Is this right for your cat?
Best for
Not ideal for
INGREDIENTS
What's actually in the bag
Top ingredients
- 01Chicken by-product meal
- 02corn gluten meal
- 03brewers rice
- 04wheat
- 05corn
Ingredients are listed by weight. The first ingredients make up the majority of the formula.
Concerns
- Uses unnamed animal derivatives instead of specific protein sources
- 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
Chicken by-product meal, corn gluten meal, brewers rice, wheat, corn, pea fiber, natural flavors, dried chicory root, wheat gluten, fish oil, chicken fat, salt, calcium sulfate, sodium bisulfate, potassium chloride, sodium pyrophosphate, DL-methionine, vegetable oil, psyllium seed husk, monocalcium phosphate, fructooligosaccharides, choline chloride, vitamins [DL-alpha tocopherol acetate (source of vitamin E), niacin supplement, D-calcium pantothenate, biotin, pyridoxine hydrochloride (vitamin B6), riboflavin supplement, thiamine mononitrate (vitamin B1), vitamin A acetate, folic acid, vitamin B12 supplement, vitamin D3 supplement], taurine, L-tryptophan, dried hydrolyzed casein, trace minerals [zinc proteinate, zinc oxide, manganese proteinate, ferrous sulfate, manganous oxide, copper sulfate, calcium iodate, sodium selenite, copper proteinate], L-carnitine, marigold extract (Tagetes erecta L.), rosemary extract, preserved with mixed tocopherols and citric acid.
FAQ
Questions worth answering
Is Royal Canin Feline Urinary SO® + Calm good for cats?
According to MiauMiau's AI analysis, Royal Canin Feline Urinary SO® + Calm is a below-average dry food with a quality score of 2.4 out of 5. This food uses chicken by-product meal as its primary animal protein source, which is a lower quality ingredient. The estimated carbohydrate content is extremely high at 48.0% DMB, indicating a significant amount of plant-based fillers like corn, wheat, and rice.
What is the protein content of Royal Canin Feline Urinary SO® + Calm?
Royal Canin Feline Urinary SO® + Calm contains 32% protein as listed on the label. On a dry matter basis, that's 34.78% 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 Feline Urinary SO® + Calm grain-free?
No, Royal Canin Feline Urinary SO® + Calm is not grain-free and contains grain-based ingredients. For most cats, grains are perfectly safe and provide a source of energy. However, cats with diagnosed grain allergies may need a grain-free alternative.
How does Royal Canin Feline Urinary SO® + Calm compare to other dry food?
According to MiauMiau's database of over 2,700+ cat food products, Royal Canin Feline Urinary SO® + Calm scores 0.2 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 Feline Urinary SO® + Calm suitable for kittens or senior cats?
Royal Canin Feline Urinary SO® + Calm is formulated for adult cats. 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 Feline Urinary SO® + Calm?
The top 5 ingredients in Royal Canin Feline Urinary SO® + Calm are: Chicken by-product meal, corn gluten meal, brewers rice, wheat, corn. The first ingredient is a named animal protein (Chicken by-product meal), which is a positive sign of quality. The remaining top ingredients are corn gluten meal, brewers rice, wheat, corn. Ingredient order indicates proportion by weight, so the first ingredients make up the bulk of the formula.
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