
Nutrition can play a key role in urinary recovery. Our line of Urinary SO® products is the most
comprehensive range of urinary diets available, specifically formulated to support your
patients’ urinary tract and bladder health in four critical ways:


Provides nutrition that aids in the management of pure struvite uroliths.

Increases urine volume to reduce the saturation of urine containing calcium and struvite crystals.
This diet promotes a urinary environment unfavorable to the development of both struvite and calcium oxalate crystals.
Formulated with reduced levels of magnesium, a natural component of struvite stones.
Relative Supersaturation (RSS) methodology predicts the crystallization potential of urine and is used to lower
the concentration of ions contributing to struvite and calcium oxalate urolithiasis.
Discover Royal Canin Urinary Diets that are specifically formulated to address related
challenges such as stress, aging, food sensitivities, and weight management.
Feline Stress and Urinary Disease
Canine Aging and Urinary Disease
Feline and Canine Weight Management

Like all our Urinary SO diets, this is specifically formulated to help prevent
struvite and calcium oxalate crystals and stones. And calming nutrients,
including tryptophan and alpha-casozepine help cats experiencing stress.
Explore our full range of feline urinary diets.

Relative Super Saturation (RSS) methodology helps lower ion concentrations that
contribute to stone formation. This formula also promotes a urinary environment
unfavorable to the formation of both struvite and calcium oxalate crystals. Be
sure to explore our full range of canine urinary diets.

Relative Supersaturation (RSS) methodology predicts the crystallization potential
of urine. Formulated with a special blend of fibers to promote satiety and reduce
the spontaneous consumption of food. Be sure to explore our full range of canine
and feline urinary diets
From a white paper addressing feline inappropriate urination to advice on marketing
your clinic online, we’re always adding more helpful, downloadable tools.
Short, informative videos for you and your staff. Explore our full feline video library.
Short, informative videos you can share with pet owners.