Helping cats and dogs live their healthiest lives.
Sacred Birman kitten stood next to an adult Yorskhire Terrier in black and white.

Helps reduce skin and GI reactions that may be a result of sensitivities to common proteins found in pet foods

Helps minimize risk of reaction with proteins that are broken down to a size that’s less likely to be recognized by the immune system

Reinforces the skin barrier with essential nutrients to support healthy skin in cats with skin sensitivity and irritation

Helps support healthy digestion with an exclusive blend of fibers and prebiotics

Whether a veterinarian has determined through an elimination diet trial that your cat has food sensitivities or that she requires long-term support for her skin and GI issues, your vet recommended Royal Canin Hydrolyzed Protein Adult HP for a reason. This highly palatable diet is designed for adult cats. It’s formulated with hydrolyzed soy proteins, composed of low molecular weight peptides, so they can be absorbed in the digestive tract with a reduced risk of triggering an immune reaction. Optimal amounts of B vitamins and amino acids reinforce your cat’s skin barrier. Omega-3 fatty acids EPA and DHA help promote healthy skin and coat. An exclusive blend of fibers helps support healthy digestion in cats prone to digestive upsets, including diarrhea. And with strict manufacturing procedures to help avoid cross contamination, you can confidently feed Royal Canin Hydrolyzed Protein Adult HP long-term to cats with food sensitivities.

Brewers rice, hydrolyzed soy protein, chicken fat, powdered cellulose, natural flavors, dried plain beet pulp, calcium sulfate, fish oil, potassium chloride, monocalcium phosphate, vegetable oil, DL-methionine, sodium pyrophosphate, sodium silico aluminate, salt, fructooligosaccharides, choline chloride, taurine, calcium carbonate, vitamins [DL-alpha tocopherol acetate (source of vitamin E), 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, vitamin B12 supplement, folic acid], trace minerals [zinc proteinate, zinc oxide, manganese proteinate, manganous oxide, copper sulfate, ferrous sulfate, sodium selenite, copper proteinate, calcium iodate], marigold extract (Tagetes erecta L.), magnesium oxide, rosemary extract, preserved with mixed tocopherols and citric acid.

Calorie Content

This diet contains 3940 kilocalories of metabolizable energy (ME) per kilogram or 351 kilocalories ME per cup on an as fed basis (calculated).

Crude Protein (min)24.0%
Crude Fat (min)18.0%
Crude Fiber (max)5.7%
Moisture (max)8.0%
Eicosapentaenoic + Docosahexaenoic acid (EPA + DHA) (min)0.19%
Omega-3 fatty acids* (min)0.45%.

*Not recognized as an essential nutrient by the AAFCO Cat Food Nutrient Profiles.

Weight Low Activity Medium Activity High Activity
3 lb (1.5 kg) - 3/8 cup (26 g) 3/8 cup (31 g)
4 lb (2 kg) - 3/8 cup (31 g) 1/2 cup (38 g)
6 lb (2.5 kg) - 1/2 cup (37 g) 1/2 cup (44 g)
7 lb (3 kg) - 1/2 cup (42 g) 5/8 cup (50 g)
8 lb (3.5 kg) - 1/2 cup (47 g) 5/8 cup (56 g)
9 lb (4 kg) - 5/8 cup (51 g) 3/4 cup (62 g)
10 lb (4.5 kg) - 5/8 cup (56 g) 3/4 cup (67 g)
11 lb (5 kg) 5/8 cup (48 g) 3/4 cup (60 g) 7/8 cup (72 g)
12 lb (5.5 kg) 5/8 cup (52 g) 3/4 cup (65 g) 7/8 cup (77 g)
Royal Canin Veterinary Diet Feline Hydrolyzed Protein HP Dry Cat Food

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Customer reviews

16 Jan 2021


I was reluctant to put my cat on this food two years ago because I think it has disgusting ingredients but they loved it anyways this new formula that I was sent my cat who eats everything will not even touch it what did you do how could you have made it worse
20 Nov 2020

My Veterinary suggested this food for my cat Ru ( Heru ). He is extremely allergic to chicken and certain foods. He was even allergic to your rabbit so he was switched to veal. He kept getting ear infections one right after another. This went on for a long long time. Sence we changed him to the hydrolyzed food and select PV he has been doing great. No infections so far! It's all in the diet!!
22 Sep 2020

Excellent cat food

Both of my cats are benefitting from this food. One has gastrointestinal issues...diarrhea when eating most foods and the other has terrible allergies. All of their issues are gone. They have eaten this food for about a month and will continue on it as long as they live. I'm so thankful for this food!!
Angie M
13 Nov 2019


Feline Hydrolyzed Protien Adult HP Dry Cat food has saved my cats ears from becoming dirty, oily & all over stressed. She had a bad case of ear infections and this food saved her well being. Very grateful I found this amazing dry food! Never going back to any other kind of food. Thank you Royal Canin for this amazing cat food!
31 Oct 2019

Great food

I put my cat Tia on this cat food after discovering she cld not keep down the other dry cat food I had her on by suggestion of her Vet.
31 Oct 2019

Expensive but top quality

Vet recommended for cat with some specific food sensitivities.
James 42
30 Oct 2019

Fussy cat with gastro-intestinal issues;

Work fine for a while then started to have loose stools. Did not think your product was the issue, but after exhaustive removing and/or substitutions, removing your product from her diet resolved the problem. She did like the HP dry food so I mixed with your Persian cat dry food in a 50.50 ratio. All is well.
30 Oct 2019

The best for my IBD kitty

My kitty is 12 years old and was diagnosed with inflammatory bowel disease about five years ago. After trying prescription diets from other companies with little success, I did some research online and I found that many other owners of IBD kitties were using Royal Canin HP. My kitty likes the dry formula and his IBD has been under control since I first put him on it two years ago. He loves the food and I am happy there are no more IBD flare ups. Thank you, Royal Canin!
30 Oct 2019

Keep her alive

My cat is 19 years old. We almost lost her 6 years ago. Vet put her on this food. She is still with us & doing well for her age! Sometimes, I think she will live forever!
30 Oct 2019

Works well for cats with IBD

Only food my cat with IBD would eat. Must taste good.