Royal Canin Veterinary Diet Hydrolyzed Protein Adult PS Dry Dog Food

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24.2-lb bag
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Royal Canin Veterinary Diet Hydrolyzed Protein PS dry is a highly palatable, highly digestible, complete and balanced hydrolyzed protein diet for adult dogs. The diet is specifically formulated for use as short-term elimination feeding and as long-term nutrition for dogs with food sensitivities.

Key Benefits

  • Canine Hydrolyzed Protein PS is a highly palatable, highly digestible, complete and balanced hydrolyzed protein die
  • The diet is specifically formulated for use as short-term elimination feeding and as long-term nutrition for dogs with food sensitivities.
  • Contains a synergistic complex of antioxidants to support cell health
  • Optimal amounts of B vitamins and amino acids help maintain the skin's natural barrier effect
  • 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
  • Brand
    Royal Canin
  • Breed Size
    All Breeds, Small, Medium, Large
  • Food Form
    Dry Food
  • Lifestage
  • Made in
    United States
  • Special Diet
    Sensitive Digestion, Prescription Food

Nutritional Info


  1. Dried Potato, Hydrolyzed Soy Protein, Coconut Oil, Potato Protein, Natural Flavors, Fish Oil, Monocalcium Phosphate, Calcium Carbonate, Vegetable Oil, Salt, Dl-Methionine, Taurine, Vitamins [Dl-Alpha Tocopherol Acetate (Source of Vitamin E), Inositol, Niacin Supplement, L-Ascorbyl-2-Polyphosphate (Source of Vitamin C), D-Calcium Pantothenate, Biotin, Pyridoxine Hydrochloride (Vitamin B6), Riboflavin Supplement, Thiamine Mononitrate (Vitamin B1), Vitamin A Acetate, Folic Acid, Vitamin B12 Supplement, Vitamin D3 Supplement, Menadione Sodium Bisulfite Complex], Choline Chloride, Trace Minerals (Zinc Proteinate, Zinc Oxide, Ferrous Sulfate, Manganese Proteinate, Manganous Oxide, Copper Sulfate, Copper Proteinate, Calcium Iodate, Sodium Selenite), Marigold Extract (Tagetes Erecta L.), Rosemary Extract, Preserved with Mixed Tocopherols and Citric Acid.

Caloric Content

  1. 3,516 kcal/kg, 302 kcal/cup
Guaranteed Analysis
Crude Protein 19.0% min
Crude Fat 10.0% min
Crude Fiber 3.7% max
Moisture 10.0% max

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Customer Reviews

Royal Canin Veterinary Diet Hydrolyzed Protein Adult PS Dry Dog Food is rated 4.7 out of 5 by 20.
Rated 5 out of 5 by from My dog LOVES it! My dog has had some issues with losing weight, lots of gas, and not eating. He was diagnosed with Inflammatory Bowel Disease. He was put on this food to help normalize his system. He is a real picky eater and he usually grazes (takes a couple of days to eat his dry food). I was afraid he would not like this food however, he loves it. This is the first time in 7 years that I actually have to fill his bowl up every day! His issues with gas have also gone away.
Date published: 2017-01-25
Rated 5 out of 5 by from Did the trick! Our dog was sick for 3-4 months and we tried everything to figure out what was causing his diarrhea. He needed nutrition and this food did the trick! The food smells good and he likes it. He is regular now and now the quest for what did it. Chewy was inexpensive for this RX food and it arrived quickly. Thanks.
Date published: 2017-03-03
Rated 5 out of 5 by from I can't say enough about royal canine. It's been wonderful for my 12 year old blue heeler ! I had been feeding my 12 year old blue heelers prescription hills science and switched her when she developed IBS. She loves it. Her coat looks shinier and soft. The Big thing is she isn't shedding!! Before I had to clean the floors every day . Now once a week is fine. Thank you for such a great product!!
Date published: 2017-03-03
Rated 5 out of 5 by from Things have been a lot better for my dog with this food Since switching to this food my dog has gone from overweight at 26 pounds to perfect weight at 20 pounds. I have also noticed some positive changes mentally as well.
Date published: 2017-03-02
Rated 5 out of 5 by from My dog LOVES it!! I have a senior citizen dog - he's 15 and has a number of medical conditions including skin allergies and digestion problems. He used to get Hill's Z/D Low Allergen but Hill's stopped manufacturing that (and he isn't able to digest their ultra-high allergen). My vet prescribed Royal Canin Veterinary Diet Hypoallergenic Hydrolyzed Protein PS for him - I was a bit concerned as he is picky with dry food and I knew he liked the Z/D. So it turns out he likes the Royal Canin PS even better! Normally he would eat everyday after midnight (after he would make sure he wasn't getting anything better from me during the day) but now he takes a bit from the PS throughout the day and he ate it immediately when I put it in his bawl. He also reacts to it really well digestion wise. I don't know what Royal Canin puts in it but it works!
Date published: 2013-04-22
Rated 5 out of 5 by from Great prescription diet for sensitive skin My dog has been diagnosed with a few autoimmune diseases, food allergies and environmental allergies and this food (along with weekly medicated baths) has greatly improved his skin and reactions. I was currently getting it from our animal dermatologist but found it here on chewy for 20 dollars cheaper and free 2 day shipping!
Date published: 2016-08-03
Rated 4 out of 5 by from Great alternative to other meat protein based foods My little Yorkie has been suffering with skin and coat issues for a couple of years. Then she began having frequent gastrointestinal problems with severe bloody diarrhea. Vets were treating her symptoms but never found the underlying cause. Finally, through my own research, I found another vet who was more proactive and we changed her diet to this RC Soy based dry food. She is also on Budesonide to treat her bowels for a month or so. I eliminated all chicken based food and snacks. The result is my baby Gabi is free of scratching constantly, no oily coat, no swollen feet pads and no IBS! My only reason for not giving 5 stars is that this particular formula does not come in smaller bites for toy breeds. I am hopeful after we wean her off the Budesonide she will continue to eat this food and stay on track. Keeping my fingers crossed!
Date published: 2016-03-29
Rated 5 out of 5 by from My dog had a serious itching problem! I have a 16 month old beagle and for several months she had a severe itching problem. She was scratching so badly, she would make her self bleed. The vetenerian told me about change her diet, but I refused to because I couldn't believe she was allergic to all the protein based products. We switched her from chicken, beef, duck, salmon....none worked. This product is soy based, and after feeding it to her 3 days, the itching stopped & her coat began to heal itself! All I gotta say is wow! Pricey, but worth it! My beagle is now enjoying her life without the ITCH!
Date published: 2014-03-02
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