HELPS DISSOLVE STONES: Innovative urinary tract dog food helps dissolve pure struvite stones and helps prevent calcium oxalate stones

BLADDER HEALTH: Lowers the risk of crystal formation using RSS methodology for dog bladder health

S/O INDEX: The exclusive S/O Index creates an environment unfavorable to crystal formation in the bladder to support urinary health

HIGHLY PALATABLE: Soft dog food texture is highly palatable and appeals to dogs with picky appetites

When your dog has urinary issues, easing their discomfort requires special care. But with the help of your veterinarian and Royal Canin, there’s not just hope—there can be a true difference.

This veterinary-exclusive wet dog food was developed to nutritionally support your adult dog’s urinary tract and bladder health. It increases the amount of urine your dog produces to help dilute excess minerals that can cause crystals and stones. Relative Super Saturation (RSS) methodology is used to help lower ion concentration in urine, which contributes to stone formation. This formula promotes a urinary environment unfavorable to the formation of both struvite and calcium oxalate crystals. And this specialized nutrition, with a reduced level of magnesium, helps dissolve pure struvite stones and prevent struvite stones from forming. Lower urinary tract issues may be a recurring concern for some dogs. Talk to your veterinarian about keeping your dog on this urinary dog food for long-term urinary support. And ask them about the right Royal Canin dry dog food and treats to complement your dog’s diet.

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Discover our tool that calculates the daily portion for your pet. Fill in your pet's information and you will get their daily feeding recommendation. In case of weight issues, do not hesitate to consult your vet to adapt this portion. Note that this feeding recommendation is more precise than the feeding table, therefore the values may slightly differ.

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Water sufficient for processing, chicken liver, chicken by-products, pork by-products, corn grits, Corn starch, vegetable oil, powdered cellulose, salt, monocalcium phosphate, natural flavors, guar gum, potassium chloride, carob bean gum, fish oil, taurine, calcium sulfate, carrageenan, DL-methionine, choline chloride, vitamins [vitamin E supplement, DL-alpha tocopherol acetate (source of vitamin E), biotin, D-calcium pantothenate, vitamin A acetate, niacin supplement, pyridoxine hydrochloride (vitamin B6), thiamine mononitrate (vitamin B1), vitamin B12 supplement, riboflavin supplement, vitamin D3 supplement, folic acid], trace minerals [zinc oxide, ferrous sulfate, zinc proteinate, copper sulfate, manganous oxide, sodium selenite, calcium iodate], magnesium oxide, marigold extract (Tagetes erecta L.).

Calorie Content

This diet contains 1259 kcal ME/kg; 485 kcal ME/can on an as fed basis (calculated).

Nutrient Amount
Crude Protein (min)5.6%
Crude Fat (min)5.9%
Crude Fiber (max)1.6%
Moisture (max)73.5%.

Wet Feeding

Dog Weight Low Activity Medium Activity High Activity
4.4 lb (2 kg) 1/4 can (118 g) 1/4 can (137 g) 1/2 can (156 g)
8.8 lb (4 kg) 1/2 can (199 g) 1/2 can (230 g) 3/4 can (262 g)
19.8 lb (9 kg) 1 can (366 g) 1 can (423 g) 1 1/4 cans (481 g)
28.7 lb (13 kg) 1 1/4 cans (482 g) 1 1/2 cans (558 g) 1 3/4 cans (634 g)
39.7 lb (18 kg) 1 1/2 cans (615 g) 1 3/4 cans (712 g) 2 cans (809 g)
50.7 lb (23 kg) 2 cans (739 g) 2 1/4 cans (856 g) 2 1/2 cans (972 g)
59.5 lb (27 kg) 2 1/4 cans (834 g) 2 1/2 cans (965 g) 2 3/4 cans (1,097 g)
68.3 lb (31 kg) 2 1/2 cans (925 g) 2 3/4 cans (1,070 g) 3 1/4 cans (1,216 g)
79.4 lb (36 kg) 2 3/4 cans (1,034 g) 3 cans (1,198 g) 3 1/2 cans (1,361 g)
88.2 lb (40 kg) 3 cans (1,119 g) 3 1/4 cans (1,296 g) 3 3/4 cans (1,473 g)
99.2 lb (45 kg) 3 1/4 cans (1,223 g) 3 3/4 cans (1,416 g) 4 1/4 cans (1,609 g)

Mixed Feeding

Dog Weight Cans / Day Low Activity Medium Activity High Activity
4.4 lb (2 kg) 1/4 1/8 cups (8 g) 1/8 cups (14 g) 1/4 cups (20 g)
8.8 lb (4 kg) 1/4 3/8 cups (35 g) 1/2 cups (46 g) 5/8 cups (57 g)
19.8 lb (9 kg) 1/2 5/8 cups (60 g) 7/8 cups (79 g) 1 1/8 cup (99 g)
28.7 lb (13 kg) 1/2 1 1/8 cup (99 g) 1 3/8 cup (126 g) 1 3/4 cup (152 g)
39.7 lb (18 kg) 1 7/8 cup (79 g) 1 1/4 cup (112 g) 1 5/8 cup (146 g)
50.7 lb (23 kg) 1 1 3/8 cup (122 g) 1 7/8 cup (162 g) 2 1/4 cup (202 g)
59.5 lb (27 kg) 1 1 3/4 cup (154 g) 2 1/4 cup (199 g) 2 3/4 cup (245 g)
68.3 lb (31 kg) 1 2 1/8 cup (186 g) 2 5/8 cup (236 g) 3 1/4 cup (286 g)
79.4 lb (36 kg) 1 2 1/2 cup (223 g) 3 1/8 cup (279 g) 3 3/4 cup (336 g)
88.2 lb (40 kg) 1 2 7/8 cup (252 g) 3 1/2 cup (313 g) 4 1/4 cup (374 g)
99.2 lb (45 kg) 1 3 1/4 cup (288 g) 4 cup (354 g) 4 3/4 cup (421 g)
Urinary SO Loaf Canned Dog Food

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Customer reviews

Kryztall
30 Oct 2019

This dog food is saving my baby’s life!

My dog has been eating this for years, ever since he had to have emergency surgery because of crystals not allowing him to urinate. They had to make a new location for him to urinate through and our vet told us to only feed this dog food to him for the rest of his life. He hasn’t had any problems since he started eating this. This dog food actually is saving my baby’s life.
Sharpe
30 Oct 2019

Nice consistency

We have been using this for the past 3 years with great success. My girl likes it. We would like more flavors as she can get bored. Otherwise good product
Wy39
30 Oct 2019

No more surgeries

Since my Bichon has been eating this she’s had no more bladder cysts after having had two surgeries to remove them in the past. Can’t be happier.
Ralph U
30 Oct 2019

My dog loves it!

This is my dogs prescription for life. The good news is she happily eats it!
DLK14810
30 Oct 2019

Our dog loves Royal Canin!

Our vet recommended S/O after bladder stone surgery. Flash has been canned Royal Canin since and has had no issues.
Jane316
30 Oct 2019

Great Taste

I by this only for my dog since her surgery for urinary stone removal. She loves it and has had no further problems.
KennD
24 Oct 2019

Works Perfectly for Bladder Stones

I have purchased this product as well as the dry for my Cavalier King Charles Spaniel that went through two operations for bladder stones. The vet recommended using Royal Canin urinary SO for her condition and I haven't had any problems since her surgeries Thank God!
KennD
24 Oct 2019

Works Perfectly for Bladder Stones

I have purchased this product as well as the dry for my Cavalier King Charles Spaniel that went through two operations for bladder stones. The vet recommended using Royal Canin urinary SO for her condition and I haven't had any problems since her surgeries Thank God!
Serin
24 Oct 2019

This has given my dog a better coat and appetite.

She has been on this special food for about 6 weeks and seems to be working fine. She has more energy, her coat looks better and just seems happier.
Doonsbury
23 Oct 2019

Love it!

My dog had kidney stones stuck in his urinary tract. He almost died but for the operation he got. This food was vet recommended and he's been on it since with no stone issues since!!