Helping cats and dogs live their healthiest lives.
Sacred Birman kitten stood next to an adult Yorskhire Terrier in black and white.

Helps dissolve pure struvite stones and helps prevent calcium oxalate stones

Moderate calorie content (12% less than Royal Canin Urinary SO thin slices in gravy wet dog food) for ideal weight maintenance

Lowers the risk of crystal formation using RSS methodology for bladder health

Supports urinary health with an exclusive S/O Index, and creates an environment unfavorable to crystal formation in the bladder

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. Moderate calorie content (12% less than Royal Canin Urinary SO thin slices in gravy wet dog food) helps them maintain a healthy weight. 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. 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.

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

Calorie Content

This diet contains 795 kcal ME/kg; 282 kcal ME/can on an as fed basis (calculated).

Crude Protein (min)6.5%
Crude Fat (min)2.5%
Crude Fiber (max)2.0%
Moisture (max)82.5%.

Wet Feeding

Dog Weight Low Activity Medium Activity
4.4 lb (2 kg) 1/2 can (152 g) 1/2 can (181 g)
11 lb (5 kg) 3/4 can (302 g) 1 can (359 g)
22 lb (10 kg) 1 1/2 cans (508 g) 1 3/4 cans (604 g)
33.1 lb (15 kg) 2 cans (689 g) 2 1/4 cans (818 g)
44.1 lb (20 kg) 2 1/2 cans (855 g) 2 3/4 cans (1015 g)

Mixed Feeding

Dog Weight Cans / Day Low Activity Medium Activity
4.4 lb (2 kg) 1/4 1/4 cup (16 g) 1/4 cup (24 g)
11 lb (5 kg) 1/2 3/8 cup (32 g) 5/8 cup (47 g)
22 lb (10 kg) 1/2 1 cup (86 g) 1 3/8 cups (111 g)
33.1 lb (15 kg) 1 1 1/8 cups (87 g) 1 1/2 cups (120 g)
44.1 lb (20 kg) 1 1 5/8 cups (130 g) 2 1/8 cups (171 g)
Royal Canin Veterinary Diet Canine Urinary SO Moderate Calorie Canned Dog Food

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Customer reviews

19 Jan 2021

Causes heart damage!

The new formula made my dog sick and developed congestive heart failure. The dry food is loaded with sodium and both canned and dry are rubbish ingredients.
24 Aug 2020

Terrible gas and loose stool

I thought it was just my dog and then I read the other reviews! My dog too has terrible gas and loose stools! I thought he was more lethargic because of his age but now I see lethargy mentioned in other comments too. Royal Canin, this is NOT good! This is a premium product and I had higher expectations! Looking now on the internet to find an alternative SO product.
24 Aug 2020

New label and different formula

I recently bought 12 cans of Urinary SO Moderate Calorie, Morsels in Gravy. After getting home, I realized that the can now says, Thin Slices in Gravy. And the label is different. The slices are more like chunks of food. And the gravy looked like it had solidified fat chunks in it. Not at all what I expected. Riley ate it. But I had to cut the chunks into smaller bites because she's little. Not cool Royal Canin. Prescription diets are purchased due to a health issue. Leave them alone and don't make changes!!! Whose idea was it to change the formula? Why change it? Never saw bad reviews until now. Very frustrating!!!
25 Jun 2020

Royal Canin changed formula and ruined a good food

NOT happy with the change in the formula. Thin slices on the SO wet moderate calorie dog good are not think slices at all, but chunks with a thick gel like fat they call gravy.
18 Jun 2020

New Food

My dog has been eating a combination for wet and dry Urinary SO Mod Calorie for years and has done well. Since he started eating this new formula, he has been vomiting frequently. I need to find an alternative food or keep him only on the dry food, unless you changed that as well.I just received a shipment of a new bag of dry food and it has the new label on it. I may end up getting rid of it. This is not good.
17 Jun 2020

New formula is too gassy!

Our small cavapoo has been eating this food for the last year, but just recently she started having excessive gas. Like so many others have mentioned here, something is wrong with the new formula.
15 Apr 2020

New formaula=Bad news!

I have a older English Springer Spaniel that has been on this food for several years along with the Urinary SO dry and it was the perfect diet for her. Since buying the new formula we have been to the vet twice with diarrhea issues. I was amazed to see all the current reviews saying about the same thing. Please bring back the old formula. In the mean time, I will work with our vet to find a new food.
08 Apr 2020

Completely new formula. My dog won't eat it now.

The manufacturer changed the formula (even the shape of the food), and now my dog will not eat the food, or eat it and have horrible diarrhea. Please, go back to the old formula.
25 Mar 2020

Not happy with the new formula

Now my dog farts all the time. Not pleasant. Prefer the old formula
13 Mar 2020

Good news, bad news

On the positive side, our miniature Schnauzer (Cosmo) actually likes the new formulation better than the old. We feed him a combination of the Urinary SO moderate calorie and an oxalate free homemade diet and have been for years. About 1/4 of his calories come from the canned food. He has had three bladder surgeries for oxalate stones and has been stone free for over two years on this diet. One improvement in the new formulation is that it contains fewer fat calories (about 26%) than the old formulation (about 47%) which is good for a breed that has a tendancy to develop pancreatitis. One the negative side, there are fewer calories per can which increases the price of this rather expensive food. But the biggest criticism of this food is the way it was introduced with no warning from the company, at least to pet owners. Even the new can does not have any notice that the formulation has changed. The color of the label did change, but it should have said something like "new and improved formula" to warn owners of the change.