Royal Canin Veterinary Health Nutrition Urinary SO Dry Cat Food - 7kg

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£64.17 (£9.17/Kg)

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Royal Canin Feline Urinary SO is formulated for the nutritional management of dissolution of struvite uroliths, prevention of recurrence of struvite urolithiasis, and management of calcium oxalate urolithiasis.

RECOMMENDED FOR 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 medication, Growth, gestation/lactation.


  • STRUVITE DISSOLUTION - Helps dissolve all types of struvite stones.
  • URINE DILUTION - Urine dilution makes the urine less liable to form struvite and calcium oxalate stones.
  • LOW RSS - Helps lower the concentration of ions contributing to crystal formation.
  • LOW MAGNESIUM - Reduced level of magnesium, a natural component of struvite crystals.

Contents: 7kg bag

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Good value Poppy on 22 July 2019

Cheaper than buying it from my local vet practice. My 4 cats prefer the taste of this to standard brands of dry food, although only 1 of them actually requires this special diet!

Great cat food Anon on 17 July 2019

Need to improve on the bag should be a sealable closure to keep secure freshness.

Feeding Guide

Cat Weight (kg) Weight Condition
Thin Normal Overweight
2 39g 33g 26g
3 52g 44g 35g
4 64g 54g 43g
5 75g 63g 50g
6 86g 72g 57g

Please ensure fresh, clean drinking water is available at all times.



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

Analytical Constituents

Crude ash: 8.9%. Crude fibre: 2.9%. Crude oil fats: 15%. Protein: 34.5%.


Vitamin A: 21500 IU, Vitamin D3: 800 IU, E1 (Iron): 37 mg, E2 (Iodine): 3.7 mg, E4 (Copper): 11 mg, E5 (Manganese): 48 mg, E6 (Zinc): 136 mg, E8 (Selenium): 0.06 mg, Urine acidifying substances: calcium sulphate (1.25%). Preservatives - Antioxidants.