Purina Pro Plan Veterinary Diets HA Hydrolyzed Formula Dry Dog Food

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Food sensitive dogs can benefit from Purina Pro Plan Veterinary Diets HA Hydrolyzed Canine Formula, a unique vegetarian dog food that features simple proteins and low-allergen carbohydrates designed to minimize the risk of food allergic reactions. It offers dietary benefits that provide optimal nutrition while meeting your adult dog's or growing puppy's special needs.

Key Benefits

  • Food sensitivities generally appear in pets as gastrointestinal upset and/or intense scratching or itching. It can develop at any life stage, even after eating the same food for years without problems. Purina Pro Plan Veterinary Diets HA has been specifically formulated to help manage food sensitivities with a single protein source.
  • This vegetarian formula contains a single hydrolyzed protein source that is highly digestible for optimum nutrient absorption. Hydrolyzing means that the protein has been broken down into smaller components, specifically an average molecular weight below 12,200 daltons. Because of this, it's less likely to cause a negative response in your food-sensitive pup.
  • A single, low allergen carbohydrate source is included to minimize the risk of food related reactions. It's a source of Medium Chain Triglycerides (MCTs) which don't require energy for absorption, use, or storage.
  • Suited for dogs that have food allergic gastroenteritis or dermatitis, food intolerance, inflammatory bowel disease, or pancreatitis.
  • Made in the USA!

Note: Purina Pro Plan 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 rx@chewy.com.

See all items by Purina Pro Plan Veterinary Diets

  • Item Number
  • Brand
  • Breed Size
    Small, Medium, Large, All Breeds
  • Food Form
    Dry Food
  • Lifestage
  • Made in
    United States
  • Special Diet
    Prescription Food, Vegetarian

Nutritional Info


  1. Starch, Hydrolyzed Soy Protein Isolate, Vegetable Oil, Dicalcium Phosphate, Partially Hydrogenated Canola Oil Preserved with Tbhq, Powdered Cellulose, Corn Oil, Potassium Chloride, Guar Gum, Choline Chloride, Dl-Methionine, Salt, Magnesium Oxide, Lecithin, Taurine, Zinc Sulfate, Ferrous Sulfate, Vitamin E Supplement, Manganese Sulfate, Niacin, Vitamin A Supplement, Copper Sulfate, Calcium Pantothenate, Thiamine Mononitrate, Riboflavin Supplement, Garlic Oil, Vitamin B-12 Supplement, Pyridoxine Hydrochloride, Folic Acid, Vitamin D-3 Supplement, Calcium Iodate, Biotin, Menadione Sodium Bisulfite Complex (Source of Vitamin K Activity), Sodium Selenite.

Caloric Content

  1. 3,723 kcal/kg, 311 kcal/cup
Guaranteed Analysis
Crude Protein 18.0% min
Crude Fat 8.0% min
Crude Fiber 4.0% max
Moisture 10.0% max

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Customer Reviews

Purina Pro Plan Veterinary Diets HA Hydrolyzed Formula Dry Dog Food is rated 4.6 out of 5 by 130.
Rated 5 out of 5 by from Expensive but worth it. I purchased this food on the advice of my vet. My dog was diagnosed with a rare diabetes insipidus. The food is supposed to help him put on some weight while also being easy on his GI tract. He has been on it 2 weeks and I see a visual difference. He was a little leary of it at first but I made a game of it and in about 5 minutes it was his new favorite friend.
Date published: 2017-02-08
Rated 5 out of 5 by from My allergic to EVERYTHING dog loves this! I adopted my dog, Ellie, (Whippett - lab mix) about a year ago, and she scratched herself constantly, to the point she had raw wounds on her body. We ran some tests with my vet, and it turns out she has a very severe allergy to just about everything, (especially meat proteins)! She now takes immunotherapy twice daily and Apoquel, (the Apoquel works wonders!) And though these have helped some, she still scratches. I tried a novelty meat dog food with Kangaroo, and the itching did not subside or lessen. Then I switched her to this Purina Pro Plan vegetarian formula, (she is still transitioning over from the Kangaroo formula) and I can already see a difference where she is not scratching as much, as often! So far so good, I'm keeping my fingers crossed and hoping once we are fully transitioned over to this food, the problem we be taken care of! And, very importantly, she LOVES this food! I was concerned it may be too bland and she wouldn't take to it, but she loves it, prefers it to the Kangaroo formula food, and eats them as treats also!
Date published: 2016-01-22
Rated 5 out of 5 by from This is the best anti-allergen dog food. We have French bulldogs, and I call them the billion dollar babies! They have intense allergies and scratch themselves until they bleed. This has generated dozens of doctor appts., the need for special food, shots and pills. Yikes! Now we have our dogs on this food and Hills Prescription Diet Skin/Food Sensitivities z/d canned dog food. NO MORE ALLERGIES. It has saved us so much trouble and money. The little bullies are doing great. Their coats are nice, and they're healthy.
Date published: 2017-03-17
Rated 5 out of 5 by from my dog loved it. He ate it preferentially to his former food. And, the other dogs also wanted it.
Date published: 2017-01-13
Rated 5 out of 5 by from great diet for our dog The dog thrives on the food. He loves it and it keeps him healthy.
Date published: 2017-01-18
Rated 2 out of 5 by from my dog hates this food Lucy is a yellow lab that has suffered from allergies for 4 years. After finally testing her I was told that this food was one of the best for her. I purchased it right away. She hates it. While I was transitioning her to it we mixed it with her old food, she would eat it that way. Now it is only this food and she refuses it. I finally added cottage cheese to it so she would eat after 4 days of not eating. I have gathered the ingredients to make a special food just for her so that is my next option. I wish this would have worked. I may mix it in with the homemade food I am planning to make for her. At the cost I really don't want to waste any more money on it.
Date published: 2017-02-21
Rated 5 out of 5 by from My dog loves it My dog was having allergic reactions and the vet wasn't sure if it was good or environmental, so I bought him this food. I was a little nervous that my English bulldog may not like it, because it's vegetarian, so when you open the bag the kibble is white. But, he doesn't hesitate to eat it at all. He's been on medication for his allergy attack in conjunction with when he started eating this food and he has not had any breakouts (he was losing patches of hair). His hear is frowning back and his back isn't sensitive to the touch. It's a little pricing, but in the long run I'd rather spend the money on food rather than vet bills for steroids and antibiotics.
Date published: 2017-02-26
Rated 5 out of 5 by from My dog has to have this formula and it was good to know you had it It was so nice to have my dogs food delivered. The order was filled in three days after I placed it, thank you.
Date published: 2017-01-26
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