Menu
Royal Canin Feline Renal Support S

Royal Canin · Food

Royal Canin Feline Renal Support S

  • Cat
  • Dry
Protein
22.5% min
Fat
19.5% min
Fiber
5% max
Moisture
8% max

Facts read from royalcanin.com, checked November 2, 2026. Labels change: check the package before you buy.

Ingredients

  1. 1 Corn
  2. 2 chicken fat
  3. 3 pork digest
  4. 4 brewers rice
  5. 5 corn gluten meal
  6. 6 pea fiber
  7. 7 fish meal
  8. 8 natural flavors
  9. 9 dried chicory root
  10. 10 wheat gluten
  11. 11 fish oil
  12. 12 calcium carbonate
  13. 13 vegetable oil
  14. 14 sodium silico aluminate
  15. 15 potassium chloride
  16. 16 powdered psyllium seed husk
  17. 17 potassium citrate
  18. 18 salt
  19. 19 DL-methionine
  20. 20 sodium pyrophosphate
  21. 21 L-arginine
  22. 22 fructooligosaccharides
  23. 23 choline chloride
  24. 24 taurine
  25. 25 vitamins [DL-alpha tocopherol acetate (source of vitamin E), L-ascorbyl-2-polyphosphate (source of vitamin C), biotin, niacin supplement, D-calcium pantothenate, riboflavin supplement, pyridoxine hydrochloride (vitamin B6), vitamin A acetate, thiamine mononitrate (vitamin B1), folic acid, vitamin B12 supplement, vitamin D3 supplement]
  26. 26 trace minerals [zinc proteinate, zinc oxide, ferrous sulfate, manganese proteinate, manganous oxide, copper sulfate, calcium iodate, sodium selenite, copper proteinate]
  27. 27 magnesium oxide
  28. 28 marigold extract (Tagetes erecta L.)
  29. 29 rosemary extract
  30. 30 preserved with mixed tocopherols and citric acid

In label order: by weight before cooking, heaviest first. Underlined ingredients have a glossary entry.

Guaranteed analysis

NutrientOn the labelDry matter (calculated)
Crude Protein22.5% min24.5%
Crude Fat19.5% min21.2%
Crude Fiber5% max5.4%
Moisture8% max—
Eicosapentaenoic + Docosahexaenoic acid (EPA+DHA)0.25% min0.3%
Phosphorus0.57% max0.6%
Vitamin E355 IU/kg min—
Ascorbic acid170 mg/kg min—

Dry matter takes the water out (value ÷ (100 − moisture) × 100), so wet and dry foods can be compared on one scale.

Calories

per kg
4,054 kcal
per cup
397 kcal

Against the AAFCO minimums

The label's guaranteed minimum, next to the minimum AAFCO sets for cats, adult maintenance.

  • protein55.5 g vs 65 g minimumBelow
  • fat48.1 g vs 22.5 g minimumAbove

Per 1,000 kcal, the way AAFCO writes its profiles. Meeting a minimum doesn't make a food right for your pet: ask your veterinarian. How this is worked out

Carbohydrates and calories (estimates)

About 40.9% of the dry matter is carbohydrate, worked out by difference: labels don't state it. The label states no ash, so 8% of dry matter is assumed (a typical value).

  • Protein 21%
  • Fat 44%
  • Carbohydrate 35%

Where the calories come from, with the modified Atwater factors (3.5, 8.5 and 3.5 kcal per gram).

More from Royal Canin