Royal Canin Sterilised

ROYAL CANIN · REVIEW

Royal Canin Sterilised

Dry FoodSeniorGrain-FreeComplete Food

Royal Canin Sterilised scores 2.5/5 for ingredient quality — a dry food cat food with 36% protein targeting senior cats.

2.5

Below Average

MiauMiau AI score · 2.5/5

01

AI ANALYSIS

What MiauMiau's AI actually sees

The protein source starts with dehydrated poultry protein, which is a named meal, but is followed by maize and vegetable protein isolate. The estimated carbohydrate content is very high at 33.1% DMB, driven by maize and wheat being prominent ingredients.

According to MiauMiau's analysis of over 2,700+ dry food products, Royal Canin Sterilised 37 scores close to the dry food average.

MiauMiau Cat Food Database

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

Ingredient Quality3.0
Protein Adequacy3.0
Low Filler Content1.0
Clean Additives5.0
02

HOW IT COMPARES

Royal Canin Sterilised vs. the category

Compared to the average dry food across 2,700+ products in our database.

Quality Score2.5/5

Category avg: 2.6/5

03

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

  • Contains notable filler ingredients
04

WHO IT'S FOR

Is this right for your cat?

Best for

Adult catsSenior catsCats with grain sensitivities
05

INGREDIENTS

What's actually in the bag

Top ingredients

  1. 01dehydrated poultry protein
  2. 02maize
  3. 03vegetable protein isolate*
  4. 04vegetable fibres
  5. 05animal fats

Ingredients are listed by weight. The first ingredients make up the majority of the formula.

06

NUTRITION

The numbers

Guaranteed analysis

Protein36%
Fat12%
Fiber5.3%
Ash8%
Moisture5.5%
Calories3685 kcal/kg

Dry matter basis

Protein39.15%
Fat12.7%
Fiber6.46%
Carbs (est.)33.12%

Dry matter basis removes water content for accurate comparison between wet and dry foods.

07

FULL LABEL

Every ingredient

dehydrated poultry protein, maize, vegetable protein isolate*, vegetable fibres, animal fats, hydrolysed animal proteins, rice, wheat, beet pulp, maize gluten, yeasts and parts thereof, minerals, fish oil, fructo-oligo-saccharides, soya oil.

08

FAQ

Questions worth answering

Is Royal Canin Sterilised good for cats?

According to MiauMiau's AI analysis, Royal Canin Sterilised is a below-average dry food with a quality score of 2.5 out of 5. The protein source starts with dehydrated poultry protein, which is a named meal, but is followed by maize and vegetable protein isolate. The estimated carbohydrate content is very high at 33.1% DMB, driven by maize and wheat being prominent ingredients.

What is the protein content of Royal Canin Sterilised?

Royal Canin Sterilised contains 36% protein as listed on the label. On a dry matter basis, that's 39.15% 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 Sterilised grain-free?

Yes, Royal Canin Sterilised 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 Sterilised compare to other dry food?

According to MiauMiau's database of over 2,700+ cat food products, Royal Canin Sterilised scores close to 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 Sterilised suitable for kittens or senior cats?

Royal Canin Sterilised is formulated for senior cats. Senior formulas are often adjusted for lower activity levels and may include joint support or kidney-friendly nutrient profiles.

What are the main ingredients in Royal Canin Sterilised?

The top 5 ingredients in Royal Canin Sterilised are: dehydrated poultry protein, maize, vegetable protein isolate*, vegetable fibres, animal fats. The primary ingredient is dehydrated poultry protein. The remaining top ingredients are maize, vegetable protein isolate*, vegetable fibres, animal fats. Ingredient order indicates proportion by weight, so the first ingredients make up the bulk of the formula.

Similar picks

Similar dry food products

Products with similar quality scores in the same category

Related brands

Related brands

Brands with similar product range and scoring

Related breeds

Breeds that thrive on dry food

Cat breeds whose dietary needs align with this product

60 SECONDS · FREE

Is Royal Canin Sterilised right for your cat?

Get a personalized care plan tailored to your cat's breed, age, and health needs.