Royal Canin Veterinary Diet Urinary SO Morsels in Gravy Canned Cat Food, 3-oz, case of 24

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Lower urinary tract disease (LUTD) refers to a group of disorders that commonly leads to irritation of the urinary tract and corresponding undesirable clinical signs. What causes Lower Urinary Tract Disease? In cats, bacterial infections are far less common. Urinary crystals and stones are often linked to this disease. The most common cause of Lower Urinary Tract Disease in cats is idiopathic cystitis. This diet promotes a urinary environment unfavorable to the development of both struvite and calcium oxalate crystals.

Key Benefits

  • Complete and balanced diet recommended for cats at risk of developing lower urinary tract disease
  • Relative Super Saturation (RSS) methodology predicts the crystallization potential of urine; RSS is used to develop diets that lower the concentration of ions contributing to struvite and calcium oxalate urolithiasis.
  • Increasing the urine volume simultaneously reduces the saturation of urine with calcium oxalate and struvite crystals
  • Formula provides nutrition that aids in the management of pure struvite uroliths.
  • Reduced level of magnesium, a natural component of struvite stones

Note: Royal Canin Veterinary Diets require a veterinary prescription. This product will not be shipped until a copy of a valid prescription authorization is faxed to 1-800-619-7973 or e-mailed to

See all items by Royal Canin Veterinary Diet

  • Item Number
  • Food Texture
    Chunks in Gravy
  • Brand
    Royal Canin
  • Food Form
    Wet Food
  • Lifestage
  • Made in
    United States
  • Special Diet
    Prescription Food

Nutritional Info


  1. Water Sufficient for Processing, Chicken Liver, Chicken, Pork By-Products, Corn Flour, Chicken By-Products, Dried Egg Product, Corn Starch Modified, Vegetable Oil, Powdered Cellulose, Natural Flavors, Potassium Chloride, Calcium Sulfate, Fish Oil, Sodium Tripolyphosphate, Guar Gum, Taurine, Dl-Methionine, Salt, Choline Chloride, Vitamins [Dl-Alpha Tocopherol Acetate (Source of Vitamin E), Thiamine Mononitrate (Vitamin B1), Niacin Supplement, Biotin, D-Calcium Pantothenate, Riboflavin Supplement (Vitamin B2), Pyridoxine Hydrochloride (Vitamin B6), Vitamin B12 Supplement, Folic Acid, Vitamin D3 Supplement], Trace Minerals (Zinc Proteinate, Zinc Oxide, Ferrous Sulfate, Copper Sulfate, Manganous Oxide, Sodium Selenite, Calcium Iodate), Marigold Extract (Tagetes Erecta L.).

Caloric Content

  1. 907 kcal/kg, 77 kcal/3 oz can
Guaranteed Analysis
Crude Protein 5.5% min
Crude Fat 3.5% min
Crude Fiber 1.5% max
Moisture 83.0% max

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Customer Reviews

319 reviews 319 Reviews 4.6 out of 5 Stars
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94% Recommend

94% of reviewersrecommend this product

4.6 / 5
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  • this is my cats favorite

    By on

    My cat, Madden, has been my problem child since day 1... so when he had a blockage and we rushed him into the ER for a $1,000 catheter/hospital stay, I shouldnt have been surprised. We immediately switched him and my other cat to this food. He loves this food so much he growls at his sister to stay away! It has been 4 months since his incident and we havent seen any signs of another blockage!! Thank goodness for this food (this one is his favorite but he also enjoys the other wet food and the dry)! It is expensive since its prescription but my kitties are worth it! Plus the autoship with saves us 5%, plus the hassle of going to the store. Id highly recommend!

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  • Good choice for targeted diagnosis

    By on

    Blackie has been eating this, along with the dry version, ever since he had a urinary blockage resolved with surgery. He was six at the time and it is now 10 years later and he is still going strong. I tried to switch him off of it for awhile and he developed a crystal again, so although it can be pricey, it is worth every penny because he is worth it!

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  • Fast, efficient, easy!

    By on

    One of my pets was recently prescribed a special diet by my vet. Doing a price comparison, each case is a few dollars cheaper on Chewy, than my vet's office. I ordered the food, Chewy verified the prescription with my vet within a day or two, and the food arrived 2 days later. It couldn't have been easier. I will never run out of pet food, because I couldn't get to my vet's office in time. I love the convenience and the prices!

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  • Not all katzen are alike...

    By on

    There are 3 cats in our household - all from the same litter with varying degrees of urinary crystals. Our vet placed all 3 on the Royal Canin Urinary SO dry kibble diet, and we've had tremendous success with managing the condition. At 6 years old, our cats are historically NOT finicky eaters. I purchased the SO canned morsels as a wet food option. One steers clear of the bowl. As for the other two, they will lick every drop of gravy without eating a single morsel. We will try the pate/gel version next.

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  • Cats don't like it

    By on

    I bought some different Royal Canin food at the pet store, and my cats loved it. They're supposed to be on urinary vet food so I got this, but they don't like it. One of the things I don't like about this food is it doesn't tell you what the primary protein is in it. My cats really only like chicken, turkey, maybe duck. I have other types of Royal Canin to try

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  • Veterinary R/X required

    By on

    Veterinarian prescribed for one of my cats and he's been doing much better. He did not like the food initially but now he loves it.

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  • Highly recommended Urinary food

    By on

    I already know the preventive values of SO Urinary foods and are the only ones prescribed by my vet as the most effective. Chewy is a terrific means of getting them, being quickly and efficiently delivered to your address, at reduced prices of those charged by vets.

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  • Excellent product

    By on

    Absolutely amazing product!!!!! Me and my two 1.5 year old black kitties are in love with it!!!!! They are very picky eaters. but they love this one!!! Highly recommend it if you cats need a special food for their Urinary Track health!!!

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  • Lulu Loves It

    By on

    Lulu is, like most cats, a very picky eater. So when the vet recommended this prescription diet I was afraid that she would not tolerate it. I was wrong. She devours it in bigger quantities than she did her old food. I have never seen an almost empty bowl every feeding.

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  • Royal Canin SO

    By on

    Ever since starting my kitty on this food, he hasn't has a blockage. Originally he was blocked and was hospitalized for several days and since then, this So wet and So dry is all he has eaten

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