Product Description
Royal Canin Veterinary Diet Canine Urinary S/O – Complete Dietetic Dry Food for Dogs with Urinary Conditions
Royal Canin Urinary S/O is a complete dietetic dry food scientifically formulated for adult dogs with urinary tract health concerns . This veterinary-exclusive formula is designed to help dissolve struvite stones, prevent their recurrence, and reduce the risk of calcium oxalate stone formation .
Key Benefits
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Dissolves Struvite Stones – Clinically formulated to help dissolve existing pure struvite stones and prevent their formation . Recommended feeding duration is 5 to 12 weeks or until stones dissolve .
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S/O Index for Crystal Prevention – The exclusive S/O Index creates a urinary environment unfavorable to the formation of both struvite and calcium oxalate crystals .
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Increased Urine Volume – Formulated to encourage increased water intake, which helps dilute excess minerals that can contribute to crystal and stone formation .
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Low RSS Methodology – Uses Relative Super Saturation (RSS) technology to lower ion concentration in urine, reducing the risk of crystal formation .
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Low Magnesium Content – Contains reduced levels of magnesium (0.04–0.08%), a key component of struvite stones, to help prevent their buildup .
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High Palatability – The dry food texture is highly flavorful and appealing to dogs, including those with picky appetites .
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Moderate Calorie Option Available – For dogs prone to weight gain, a Moderate Calorie variant with lower fat (9–13%) and higher fiber (7.2%) is available .
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Small Breed Kibble – A specialized kibble size is available for small dogs (under 22 lbs / 10 kg), designed to encourage chewing and support dental health .


