
Royal Canin
Sterilized Ageing 12+
Summary
Royal Canin Sterilized Ageing 12+ is a dry food tailored for senior sterilized cats aged 12 years and older, focusing on weight control, renal support, and aging-related function through a precisely balanced nutrient profile.
Dehydrated poultry protein is the primary animal-based ingredient, supported by maize, wheat, and gluten sources that provide energy and protein in a digestible, calorie-controlled format.
The formula includes a moderate fat content (15%) and L-carnitine (212 mg/kg) to support fat metabolism and reduce the risk of age-related weight gain in less active senior cats.
A specialized healthy aging complex combines antioxidants, including lycopene (7 mg/kg), beta-carotene, and EPA/DHA (0.6%), to help limit oxidative stress and support cognitive function, mobility, and cell protection.
Chicory pulp, psyllium husks, and vegetable fibers contribute to digestive regularity and support the gut microbiome, particularly important in older cats with sensitive digestion.
Phosphorus is held to a moderate 0.6%, targeting renal protection by supporting kidney workload reduction during age-related function decline.
Glucosamine and chondroitin are included from natural sources, such as hydrolyzed cartilage and fermentation products, supporting joint health and mobility maintenance.
Tryptophan is present at 0.4%, contributing to serotonin balance and behavior regulation, while borage oil and fish oil provide fatty acids to support coat condition and inflammation control.
Nutrition
Ingredients
- Maize
- Vegetable protein isolate*
- Maize Flour
- Dehydrated Poultry Proteins
- Wheat
- Maize Gluten
- Animal Fats
- Vegetable Fibres
- Hydrolysed Animal Proteins
- Chicory Pulp
- and also:
* L.I.P.: protein selected for its very high digestibility
Vitamins and Additives
- Vitamin A 19000 IU
- Vitamin D3 700 IU
- and also:
Guaranteed Analysis
Comments
Notes
Guaranteed Analysis
More products from Royal Canin

Sterilized Ageing 12+
Product changes
- 2nd Ingredient changed from Wheat Gluten* -> Vegetable protein isolate*
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How the score is calculated?
The actual calculation of the score is based on sophisticated and advanced algorithm that takes into account multiple parameters.
To simplify the explanation, the calculation is based on three main criteria:
(1) Amount of protein (more is better)
(2) Amount of carbohydrates (less is better)
(3) Quality and source of ingredients.
Based on that 3 main criteria, 9 score calculation rules are used to compare the different foods.
One major assumption is that the closer an ingredient is to the top of the ingredient list, the greater its relative weight and contribution to the food.
In general, cat food is composed of protein, fats, carbohydrates, fibers, vitamins, and minerals.
Protein is the most important component in a cat's diet, and cats primarily get their protein from animal meat.
Fat is a primary source of energy and essential fatty acids.
Carbohydrates are controversial in a cat's diet, as cats are obligate carnivores and typically consume very few carbohydrates.
Fibers play an important role in digestion and food absorption, and vitamins and minerals are essential for different organism functions.
Dry matter values are used to compare the amount of nutrients in different cat foods. This means that moisture is excluded from the equation to provide a more accurate comparison.
Putting all of these and more into a formula results in a product score.
The maximum score a cat food can receive is 100. Points are added or removed based on the score calculation rules.
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Important Notice 1: Product details may vary by region. The information presented here is sourced from royalcanin.com - Malta-English site
Important Notice 2: This product is expected to be replaced with new products (Ageing 11 and Ageing 15)