Royal Canin Veterinary Diet Urinary SO Moderate Calorie 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

  • Feline Urinary SO Moderate Calorie is a highly digestible, palatable, complete and balanced adult cat food recommended for cats at risk of developing lower urinary tract disease and who are predisposed to weight gain
  • Moderate calorie content, compared to Feline Urinary SO, to help maintain ideal weight.
  • Relative super saturation (RSS) methodology predicts the crystallization potential of urine. RSS is used to develop diets for cats prone to both struvite and oxalate urolithiasis.
  • Formula increases the urine volume to simultaneously reduce the saturation of urine with struvite and calcium oxalate precursors
  • Provides nutrition that aids in the management of pure struvite uroliths

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, Weight Control

Nutritional Info


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

Caloric Content

  1. 708 kcal/kg, 60 kcal/3 oz can
Guaranteed Analysis
Crude Protein 6.5% min
Crude Fat 2.0% min
Crude Fiber 2.5% max
Moisture 84.0% max

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Customer Reviews

142 reviews 142 Reviews 4.7 out of 5 Stars
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98% Recommend

98% of reviewersrecommend this product

4.7 / 5
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Showing 1-10 of 142 Reviews

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  • Urinary SO

    By on

    One of my cats has urinary issues; so of course, they all eat the prescription food. After one or two days, they all liked this food. Chewy has the best prices. They have prompt shipping and delivery times. Above all, the customer service/staff are awesome and always go above and beyond. I couldn't be more pleased and impressed, especially in this day and age where customer service is essentially non-existent.

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  • Healthy Urinary tract for kitty

    By on

    Unfortunately, anything good for Dexter and Tinker requires much persuading to change, as the cheepy foods seem more tasty apparently. It took a week for Dexter to finally accept his new diet, but persistence pays off so maybe he will now stay healthy!

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  • tasty urinary moderate calorie cat food

    By on

    I serve Twink one meal of regular Urinary SO Morsels and one meal of Urinary Moderate Calorie to cut back on his calorie intake. He's a 14lb big boy in body type and want to keep him healthy. I also mix in a small scoop of his favorite dry lamb cat food to make it more interesting and a splash of water to make sure he's getting enough. Recommend the Royal Canin brand as he finds it tastier than the other urinary options.

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  • Chubby cat loves this

    By on

    My cat has had a weight problem ever since he adopted us. To top that off he has problems with urinary crystals. This product addresses both concerns. I am slowly seeing his weight go down. I paid less through than my vet, so I am sticking with

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  • Cat's Fav that the Dog likes too

    By on

    My cats run downstairs to the kitchen when they hear me open a can of wet food/Royal Canin Urinary SO. Even the moderate calorie works for these slightly pudgy, but beautiful tux twins. They can't wait for the next portion.

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  • Great customer service

    By on

    Talk about easy these folks do it all. I didn't feel like putting the time in to change my autoship order and pay information so I dialed them up and they took care of it all. My cats LOVE the food. Every time I go anywhere near the kitchen there they are wanting more.

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  • Trieg

    By on

    I Think your product is good & healthy, but why cant the Company Sell different Varity of cans, so you can by # 6 or # 12 cans in the same box, why cant the Company MIX THEM.? I my self would buy more 12 packs or 6pks of your product. My Cats won't the same product, over& over, they want VARITY, Stanley , said he will Varity, of different cans but not same stuff everyday. They told me VARITY packs, IS O- SO GOOD.

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  • Cat with urinary problems.....

    By on

    I purchased both of the Royal Canin Vet Diet selections for my cat & so far he seems to like them. I also feed him the Hills C/D dry food which he also likes..trying to avoid another $1000.00 vet bill!

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  • Peace of mind.

    By on

    Put all my cats on Royal SO dry food after the passing of Spiderman from crystals. Bought canned wet as a treat. Each can is just enough to spread amongst the 4 cats. Food looks good with just enough sauce

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  • 4 paws down.

    By on

    I would neither recommend or not recommend this product as I think it comes down to the taste of each individual cat. I was hopeful to find an alternative method of giving medicines to 2 of my 4 cats but this did not work. I already have them on the dry Rx food due to 2 of my girls having had stones. But this canned food did not work. I tried it without the meds to see how they would take to it but they really did not care for it. One of them who will eat just about anything just licked at it a bit but would not eat all of it. I will donate the remaining cans since I am unable to use them.

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