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Royal Canin Urinary S/O Adult Dry Cat Food - 1.5Kg By Royal Canin Veterinary Diet

Royal Canin Feline Adult Urinary S/O Dry Cat Food - 1.5kg

Manufacturer's View

Helps dissolve all types of struvite stones. Urine dilution makes the urine less liable to form struvite and calcium oxalate stones. Helps lower the concentration of ions contributing to crystal formation. Reduced level of magnesium, a natural component of struvite crystals.

Key Benefits

Struvite dissolution 
Low RRS 
Urine dilution 
Low magnesium

Recommended for

For adult cats over 12 months between 2kg - 10kg 
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.

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Ingredients

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

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Nutrition and Analytical Constituents

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.

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Daily Feeding Guide

Please always ensure that fresh drinking water is available. Please refer to the product packaging for full details. 

Ratings & Reviews

35 reviews

7/8/2025 4:04:00 PM

Best for urinary health

by Kevin Young -

This is the gold standard for cats prone to urinary issues. I wouldn't risk using another brand.

19/5/2025 11:36:00 AM

Vet recommendation

by Fiona Carter -

I am only feeding this due to vet advice. It's a good product for its purpose and my cat eats it.

3/5/2025 12:10:00 PM

Good value small bag

by Mark Harris -

The 1.5kg is great for a single cat as it ensures the food is finished before it gets stale. Consistent quality.

16/5/2025 7:52:00 AM

Good quality

by Ben Taylor -

The kibble is a decent size and the food seems to be very palatable. It's a necessary part of her daily diet now.

23/8/2025 11:46:00 AM

Happy with the results

by Olivia Wilson -

No more painful trips to the litter box. This food has truly changed my cat's quality of life for the better.

7/8/2025 7:27:00 PM

Reliable prescription food

by Emily Davis -

I am so happy that my cat has taken to this food well. It's worth the price to keep his urinary tract healthy.

9/8/2025 7:14:00 PM

Prevents crystals

by Ryan Clark -

This diet is crucial for preventing the formation of urinary crystals. It's a high quality, effective food.

10/5/2025 1:37:00 PM

Essential for S/O

by Joanna Bell -

I use this in combination with the wet S/O food. The 1.5kg bag is easy to manage and keeps the kibble fresh.

26/5/2025 8:15:00 PM

Great urinary diet

by David Kim -

This was prescribed by the vet after a scare. My cat actually seems to enjoy the taste of this dry food which is a relief.

16/6/2025 1:24:00 PM

Solved her issues

by Sarah Adams -

My cat was having urinary blockages and this food has made a huge difference. She has been problem free for months.

30/7/2022 9:15 AM

Completely satisfied with purchsses

by Pamela -

I was pleased with my purchases will order from the company again

18/4/2022 8:13 AM

Great!

by Herself -

This is a great product which has made a huge difference to my cats urinary health. It was a good price and the service has been great. So nice with the personal notes from Adam and his lovely pets. Will not hesitate ordering again

28/6/2021 12:07 PM

crystal management food

by kim -

cat enjoying it as he has such a limited diet it is a nice change

8/6/2020 9:14 AM

Life saver

by Emylou -

The only urinary care dry food my cat likes. Good size kibble, will be buying again.