At Man’s side for millenia, the dog has adapted, but he has behavioral and nutritional requirements of his own. Knowing them and respecting them will guarantee his well-being and his health.

The cat’s feline nature is always a matter of fascination. He adapts with apparent ease to daily life, and yet he has behavioral and nutritional requirements of his own. Knowing them and respecting them will guarantee his well-being and his health.

Because of its composition, a Royal Canin Health Nutrition food provides all essential nutrients measured out with utmost precision in order to contribute every day and on a long-term basis to the well-being and health of every animal, according to his age, his size, his physiological condition and his breed.

Innovation for the sake of dogs and cats’ health. For over 40 years, Royal Canin has worked with breeder partners and veterinary nutritionists to go ever further into innovation and precision to enable us to formulate nutritional solutions which perfectly meet dogs and cats’ real needs.

Home > Products > Cat Products > Feline Health Nutrition > Indoor Mature 27 (old)

Indoor Mature 27 (old)

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Indoor cats aged 10 years and older
Indoor Mature 27 Product Bag

Complete balanced food for cats aged 10 years and older, living indoors

Indoor Mature 27 (old)

Age Support Complex is an exclusive combination of antioxidants (vitamins E and C and polyphenols from grapes and green tea) that helps maintain vitality in the cat as it ages. The reduced phosphorus and sodium contents help support kidney and heart function.


    Reduces faecal smell
Reduces faecal smell

Thanks to a high L.I.P.* protein content (90% digestibility) selected for their high level of assimilation, which reduces fermentable residues in the intestine.


    Sensitive teeth and gums
Sensitive teeth and gums

Adapted to the teeth of cats over the age of 10, with softer and more palatable kibbles to make up for the cat’s loss of appetite.

Dry food
Packaging size: 400.0 g, 1.5 kg, 3.5 kg
Product Kibble Indoor Mature 27

Recommended daily quantities (g/day):
Water should be available at all times

Your cat's weight 3 kg 4 kg 5 kg 6 kg 7 kg +
Slender 55 g 70 g 90 g 110 g -
Ideal weight 40 g 55 g 70 g 85 g 100 g
Overweight - 45 g 60 g 70 g 80 g
Ingredients
dehydrated poultry meat, maize flour, barley, wheat, vegetable protein isolate*, maize, animal fats, maize gluten, hydrolysed animal proteins, vegetable fibres, beet pulp, minerals, vegetable oils (soya and borage), fish oil, egg powder, fructo-oligo-saccharides, sodium phosphate, psyllium husks and seeds, yeasts, L-lysine, DL-methionine, green tea and grape extracts (source of polyphenols), taurine, potassium citrate, hydrolysed crustaceans (source of glucosamine), L-carnitine, hydrolysed cartilage (source of chondroitin) *L.I.P.: protein selected for its very high assimilation.
Analysis table Amount
Arachidonic acid (%) 0.06
Ash (%) 5.8
Fibre (%) 4.0
Dietary fibre (%) 12.0
EPA/DHA (%) 0.36
[fat] (%) 15.0
Linoleic acid (%) 3.7
Metabolisable energy (calculated according to NRC85) (kcal/kg) 3662.0
Metabolisable energy (measured) (kcal/kg) 3894.0
Moisture (%) 7.0
Nitrogen-free extract (NFE) (%) 41.2
Omega 3 (%) 0.75
Omega 6 (%) 3.8
Protein (%) 27.0
Starch (%) 33.2
Other nutrients Amount
Arginine (%) 1.3
DL-methionine (%) 0.7
Glucosamine chloride (mg/kg) 475.0
Polyphenols from green tea and grapes (mg/kg) 150.0
L-carnitine (mg/kg) 50.0
L-lysine (%) 1.2
Lutein (mg/kg) 5.0
Methionine Cystine (%) 1.2
Taurine (mg/kg) 2000.0
Vitamins Amount
Biotin (mg/kg) 3.9
Choline (mg/kg) 2500.0
Folic acid (mg/kg) 16.8
Vitamin A (UI/kg) 29000.0
Vitamin B1 Thiamin (mg/kg) 38.0
Vitamin B12 Cyanocobalamin (mg/kg) 0.2
Vitamin B2 Riboflavin (mg/kg) 75.0
Vitamin B3 Niacin (mg/kg) 238.0
Vitamin B5 Pantothenic acid (mg/kg) 80.0
Vitamin B6 Pyridoxine (mg/kg) 55.0
Vitamin C (mg/kg) 300.0
Vitamin D3 (UI/kg) 1030.0
Vitamin E (mg/kg) 600.0
Minerals Amount
Calcium (%) 0.7
Chlorine (%) 0.7
Copper (mg/kg) 24.0
Iodine (mg/kg) 3.6
Iron (mg/kg) 172.0
Magnesium (%) 0.07
Manganese (mg/kg) 84.0
Phosphorus (%) 0.65
Potassium (%) 0.8
Selenium (mg/kg) 0.12
Sodium (%) 0.31
Zinc (mg/kg) 237.0