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
  • Weight
    25.0 pounds
  • 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

Rated 4.6 out of 5 by 118 reviewers.
Rated 5 out of 5 by my dog loved it. He ate it preferentially to his former food. And, the other dogs also wanted it. January 13, 2017
Rated 3 out of 5 by Labs are always hungry My lab enjoys the taste, but it does not satisfy her hunger. (Labs are always hungry). My vet put her on this food to get rid of her chronic ear infection. She has only been on this brand for two weeks so I haven't noticed any change in her ear. Very expensive food when you have a large dog. December 6, 2016
Rated 5 out of 5 by Better for my Frenchie than more expensive Prescription Diet s/d The S/D by caused bowel problems. The Purina HA seems to be compatible with his system. Normal, though odd colored!, bowel movements. We will reorder. December 1, 2016
Rated 5 out of 5 by This food worked for my dog This food worked for my dog, he was unable to digest his food and was loosing weight. He is finally gaining weight. November 25, 2016
Rated 5 out of 5 by 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! January 22, 2016
Rated 4 out of 5 by Seems to work but not satisfying my Great Dane! I have a 6mo Great Dane puppy. After 3 months of running stools and bad rashes and going through many top brand expensive foods, this food finally did the trick. Stools are back to normal and his rash is almost gone. It took 3 wks for skin rash improvement though. Which the vet says is normal. My only issue is that he's not ever satisfied after eating. He started out eating 4 cups in the morning and 4 at night. (He's 100lbs already). Then we went to 5. Then 6 and now 7. He is always hungry and getting more aggressive with our food. He needs more substance. That's my only concern and would consider switching because we go through a bag too fast. Also, he'll only eat it if I mix in some water. Weird but true. But it works for all his allergies and tummy issue! September 22, 2016
Rated 5 out of 5 by Great Product Great service, prompt delivery and a great product. My pooch loves it!!! November 4, 2016
Rated 5 out of 5 by The food has been well received by my dog Chewy has been terrific to work with. Their customer service is not only knowledgeable but also attentive to customer needs. October 26, 2016
  • 2017-01-16 T06:21:29.439-06:00
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