Royal Canin Urinary Canine S/O Ageing 7+ Dry Food is a complete dietetic feed for ageing dogs over 7 year of age, and is formulated to dissolve struvite stones and reduce their recurrence through its urine acidifying properties, its low level of magnesium and its restricted level of protein but of high quality.

Recommended in cases of:

  • Struvite uroliths: dissolution and management of recurrence
  • Calcium oxalate uroliths: management of recurrence
  • Bacterial cystitis: management of secondary struvite crystalluria (in association with adequate antibiotherapy)

Not recommended in cases of

  • Hyperkaliemia
  • Concurrent use of urine-acidifying medication
  • Growth, gestation/lactation

It is recommended that a veterinarian’s opinion be sought before use. Feed Urinary S/O Ageing 7+ for 5 to 12 weeks for the dissolution of struvite stones and up to 6 months for the reduction of struvite stone recurrence. Then the dog should be re-evaluated regularly by the veterinarian to assess the relevance of a life long recommendation. Water should be available at all times.


  • Urinary tract health: Effective struvite stone dissolution and specifically formulated to help prevent up to 80% of all urinary stones.


Rice, maize flour, dehydrated poultry protein, animal fats, wheat flour, minerals, hydrolysed animal proteins, maize gluten, cellulose powder, wheat gluten*, egg powder, fish oil, soya oil, dried tomato pulp (source of lycopene), fructo-oligo-saccharides, hydrolysed crustaceans (source of glucosamine), marigold extract (source of lutein), hydrolysed cartilage (source of chondroitin). Protein sources: dehydrated poultry protein, hydrolysed animal proteins, maize gluten, wheat gluten, egg powder.

For more information and a feeding guide, please use the following link: https://www.royalcanin.com/uk/shop/urinary-so-ageing-7+-1271

Royal Canin Urinary Canine Ageing 7+ Dry Food