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Royal Canin Veterinary Diet Urinary S/O Moderate Calorie Cat Dry Food

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ROYAL CANIN® Urinary S/O Moderate Calorie is for the nutritional management of cats with struvite or oxalate crystals and lower urinary tract disease and for adult cats prone to being overweight. Recommended for cats with tendency to be overweight in cases of: Struvite uroliths: dissolution and management of recurrence, Calcium oxalate uroliths: management of recurrence.

Not recommended in case of: Chronic Kidney Disease (CKD), Heart disease (when sodium restriction is sought), Concurrent use of urine-acidifying drugs, Growth, gestation, lactation, Hypertension.

This diet is complete and balanced and can be fed long-term. A full health check should be performed by a veterinarian every 6 months.

Struvite dissolution

Helps dissolve all types of struvite stones.

Moderate calorie

Moderate calorie content to help maintain ideal weight.

Urine dilution

Urine dilution makes the urine less liable to form struvite and calcium oxalate stones


Helps lower the concentration of ions contributing to crystal formation.


Composition: Rice, dehydrated poultry protein, wheat gluten*, vegetable fibres, maize flour, minerals, animal fats, maize gluten, hydrolysed animal proteins, fish oil, soya oil, fructo-oligosaccharides, marigold extract (source of lutein), wheat flour. *L.I.P.: protein selected for its very high digestibility.

Nutritional additives: Vitamin A: 21000 IU, Vitamin D3: 800 IU, E1 (Iron): 31mg, E2 (Iodine): 3.1mg, E4 (Copper): 9mg, E5 (Manganese): 40mg, E6 (Zinc): 138mg, E8 (Selenium): 0.04mg Preservatives – Antioxidants.

Analytical constituants: Crude Protein 32.0% (min.), Crude Fat 9.0% (min.), Calcium 0.792% (min.), Phosphorus 0.712% (min.), Ash 9.5% (max.), Crude Fiber 8.1% (max.), Moisture 6.5% (max.), Magnesium 0.06%. Metabolisable energy: 352kcal/100g.

Feeding instruction: Urinary S/O Moderate Calorie is a complete dietetic feed for cats, formulated to dissolve struvite stones and reducing their recurrence through its urine acidifying properties and its low level of magnesium. Recommendation : It is recommended that a veterinarian’s opinion be sought before use. Feed Urinary S/O Moderate Calorie for 5 to 12 weeks for the dissolution of struvite stones and up to 6 months for the reduction of struvite stone recurrence. The cat should be regularly re-evaluated by the veterinarian to assess the relevance of lifelong recommendation. NOTE: In older cats, renal function should be checked before recommendation. Feline Urinary S/O Moderate Calorie wet is recommended for recurrent idiopathic cystitis - Water should be available at all times.

Cat's weight Normal Normal Overweight Overweight
grams cups grams cups
2kg 36 3/8 29 3/8
2.5kg 42 4/8 34 3/8
3kg 48 5/8 39 4/8
3.5kg 54 5/8 43 4/8
4kg 59 6/8 47 4/8
4.5kg 64 6/8 51 5/8
5kg 69 7/8 55 5/8
5.5kg 74 7/8 59 6/8
6kg 79 1 63 6/8
6.5kg 84 1 67 6/8
7kg 88 1 70 7/8
7.5kg 92 1 + 1/8 74 7/8
8kg 97 1 + 1/8 77 7/8
8.5kg 101 1 + 2/8 81 1
9kg 105 1 + 2/8 84 1
9.5kg 109 1 + 2/8 87 1
10kg 113 1 + 3/8 91 1 + 1/8