User Icon
Free shipping on all orders over $49. View details >
Benefits
  • • Veterinary-exclusive dry dog food for small dogs under 22 lbs. with urinary health concerns

    • Helps dissolve pure struvite stones and helps prevent calcium oxalate stones

    • 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

    • Adapted kibble size for small dogs encourages chewing to help reduce tartar buildup

ROYAL CANIN VETERINARY DIET® Canine Urinary SO® Small Dog Dry Dog Food

Royal Canin Veterinary Diets

*Prescription Required: Vetsource®, our pharmacy provider, may need to contact your veterinary hospital for prescription verification.

Learn More
We'll collect your pet information to verify this prescription with your veterinarian before shipping. Your prescription order will ship upon veterinarian approval.

Icon Subscribe & Save 10%!
See Details
Get 10% off all orders when you subscribe to an eligible Royal Canin diet with Never Forget®! Valid on all orders on new subscriptions created between 1/1/2019 and 12/31/19.
Icon Free Shipping!
See Details
Get free standard shipping on all Royal Canin diets -- no codes or coupons required! Please allow 2 to 5 business days for delivery, dependent on product availability. Not able to deliver pet food to Alaska or Hawaii.
Your Price $37.99
Retail Price
$39.99
Flavor
Packaging
Subscribe & Never Forget®
Never Forget! Subscribe to get special savings on pet products.
How it Works
Save on shipment costs when you subscribe to auto-delivery
Product Information

ROYAL CANIN PRODUCTS SHIP DIRECTLY FROM THE MANUFACTURER AND DIET AVAILABILITY IS SUBJECT TO STOCK LEVELS AT THE ROYAL CANIN PARTNER FACILITY CLOSEST TO YOU. If you have not received an order update within 2 business days, please call VetSource at (877) 738-4443 to check the status of your order.


Royal Canin Urinary SO Small Dog is a veterinary-exclusive dry dog food, developed to nutritionally support your small 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. Low 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 for dental health, the adapted kibble size for small dogs encourages chewing to help reduce tartar buildup.


This food requires a veterinary prescription.

Active Ingredients

Brewers rice, corn, chicken fat, chicken by-product meal, corn gluten meal, natural flavors, salt, egg product, wheat gluten, powdered cellulose, potassium chloride, vegetable oil, monocalcium phosphate, fish oil, calcium sulfate, DL-methionine, fructooligosaccharides, sodium tripolyphosphate, L-lysine, choline chloride, vitamins [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], taurine, trace minerals [zinc proteinate, zinc oxide, ferrous sulfate, manganese proteinate, manganous oxide, copper sulfate, calcium iodate, copper proteinate, sodium selenite], marigold extract (Tagetes erecta L.), rosemary extract, preserved with mixed tocopherols and citric acid.


Crude Protein (min.) 18.0%, Crude Fat (min.) 15.0%, Crude Fiber (max.) 3.7%, Moisture (max.) 10.0%


This diet contains 3727 kilocalories of metabolizable energy (ME) per kilogram or 358 kilocalories ME per cup on an as fed basis (calculated).

Developed For

Canine

Product Benefits

• Veterinary-exclusive dry dog food for small dogs under 22 lbs. with urinary health concerns

• Helps dissolve pure struvite stones and helps prevent calcium oxalate stones

• 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

• Adapted kibble size for small dogs encourages chewing to help reduce tartar buildup

Usage Guidelines

Feed as directed by your veterinarian.