Royal Canin Veterinary Diet Mobility Support JS 24 Large Breed Dry Dog Food

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26.4-lb bag
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Royal Canin Veterinary Diet Mobility Support JS Large Breed Dry Dog Food is a highly digestible, palatable, complete and balanced dog food formulated with New Zealand green mussel. The diet is antioxidant-enriched to help support the body’s natural immune system and has been formulated for the specific needs of large breed dogs. Royal Canin Veterinary Diet Mobility Support JS Large Breed Dry Dog Food addresses adult dogs with, or at risk of developing, degenerative joint disease (osteoarthritis). Some of those risk factors include obesity, advanced age, very active lifestyle (working dogs, hunting dogs); a history of joint injury or trauma; and genetic predisposition. This veterinarian-prescribed diet is a highly digestible, palatable, complete and balanced food for dogs. It also offers enhanced antioxidants to help maintain your pet’s healthy immune system. So give your dog a helping paw!

Key Benefits

  • Highly digestible, palatable, complete and balanced food for dogs formulated for the specific needs of large breed dogs with, or at risk of developing, degenerative joint disease (osteoarthritis)
  • Customized kibble for large jaws and teeth
  • Added EPA and DHA help support healthy joints
  • Antioxidant-enriched to help support the body’s natural immune system
  • Specific nutrient blend to help regulate intestinal transit and to help support the digestive flora

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
  • Weight
    26.4 pounds
  • Brand
    Royal Canin
  • Breed Size
    Giant, Large
  • Food Form
    Dry Food
  • Lifestage
  • Made in
    United States
  • Special Diet
    Prescription Food

Nutritional Info


  1. Brewers Rice, Chicken Meal, Corn Gluten Meal, Corn, Brown Rice, Natural Flavors, Powdered Cellulose, Chicken Fat, Fish Oil, Dried Beet Pulp, Calcium Carbonate, Salt, Sodium Silico Aluminate, Psyllium Seed Husk, Vegetable Oil, Potassium Chloride, New Zealand Green Mussel, Fructooligosaccharides, L-Lysine, Glucosamine Hydrochloride, Choline Chloride, Taurine, Marigold Extract (Tagetes Erecta L.), Vitamins [Dl-Alpha Tocopherol Acetate (Source of Vitamin E), L-Ascorbyl-2-Polyphosphate (Source of Vitamin C), Biotin, D-Calcium Pantothenate, Pyridoxine Hydrochloride (Vitamin B6), Vitamin A Acetate, Niacin Supplement, Thiamine Mononitrate (Vitamin B1), Riboflavin Supplement (Vitamin B2), Folic Acid, Vitamin B12 Supplement, Vitamin D3 Supplement], L-Carnitine, Trace Minerals (Zinc Proteinate, Manganese Proteinate, Zinc Oxide, Ferrous Sulfate, Copper Proteinate, Copper Sulfate, Manganous Oxide, Calcium Iodate, Sodium Selenite), Chondroitin Sulfate, Rosemary Extract, Preserved with Natural Mixed Tocopherols and Citric Acid.

Caloric Content

  1. 3,702 kcal/kg, 307 kcal/cup
Guaranteed Analysis
Crude Protein 24.5% min
Crude Fat 10.5% min
Crude Fiber 6.3% max
Moisture 10.0% max
Glucosamine 1,900 mg/kg min
Chondroitin Sulfate 100 mg/kg min
Eicosapentaenoic Acid (EPA) 0.45% min
Docosahexaenoic Acid (DHA) 0.2% min

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Customer Reviews

Rated 5 out of 5 by 12 reviewers.
Rated 5 out of 5 by Great product!!! My older dog loves this food, he is much more lively eating this and his coat has become very silky and smooth, I would recommend this to any dog owner December 29, 2016
Rated 5 out of 5 by Love this company! When my veterinarian mentioned my dog needing a special diet, I found to Chewy to have the best prices! I love his food being delivered to my front door, and they're always on time. My favorite is the personal hand written cards sent out for Christmas or at random times. December 29, 2016
Rated 5 out of 5 by 4 Paws Up! I was so happy with both the speedy delivery and the pricing! I normally buy the 16lb. Bag from Petsmart but I was able to upgrade to the 25lb with free shipping for less than I pay at Petsmart. I will be buying from from now on!! December 18, 2016
Rated 5 out of 5 by My Mastiffs love this food. My Mastiffs love Royal Cannin Large Breed Mobility. They transitioned easily which normally isn't the case. I LOVE THIS SERVICE. The Chewy is the best ever. The products I need come straight to my house or work and are less expensive than in the stores. I wish I would have done this years ago. December 9, 2016
Rated 5 out of 5 by is the BEST!! After years of buying products online, is the best. This particular dog food was recommended by my vet. I have two APBTs over 10 years old and they are still running around like maniacs, even after a couple surgeries each. They don't move around as gracefully but they are still moving very good and are very active. I trust my veterinarians at Banfield Pet Hospital and the ortho specialists at the Cary VSRP...they have never failed me. My dogs have both on and off at different times gotten into slumps, but using the recommended supplements like Duralactin, monthly Adequan injections, The Missing Link Veterinary Strength and making the diet changes has always helped them get out of their slumps. If your vet tells you to start your dog on the Royal Canin Mobility Support, then make sure you start an AutoShip for it on It is a little over $20 cheaper than in the store and it is delivered right to your door. May 2, 2016
Rated 5 out of 5 by Thank you Chewy! My senior lab mix just started eating this food. Our vet suggested we switch him to this due to his osteoarthritis. so far so good. Super pumped that Chewy carries this brand/food. Will continue to order from you guys! Thank you! September 4, 2016
Rated 5 out of 5 by Excellent product! After my dog had knee surgery she started to have problems with her front legs. Our vet recommended Royal Canin mobility. We were skeptical but within a few weeks my dog started to jump and fetch like an average dog again. The food really works and is worth every penny and Chewy has it for the best price! July 17, 2016
Rated 5 out of 5 by CHEWY.COM & ROYAL CANIN ARE FANTASTIC My elderly GOLDEN RETRIEVER really loves this food, and with his severe arthritis, it can't hurt. He does not get "sick" when he eats this. ROYAL CANIN is the way to go, in my opinion. It is so fresh smelling and inviting to my dog. I "feel" with the food "staying down" his appetite is appeased and I truly believe this will help relieve some of his arthritic pain. My vet surely thought it was a good option to employ to do all possible to keep my Chewbacca with me and comfortable. I am grateful to YOU ALL! April 9, 2013
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