Purina Pro Plan Veterinary Diets EN Gastroenteric Formula Dry Dog Food

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32-lb bag
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This prescription item requires vet approval. Details


Adult dogs and growing puppies with GI issues may benefit from Purina Pro Plan Veterinary Diets EN Gastroenteric Canine Formula’s high digestibility, moderate fat, added zinc, low fiber and more. It offers dietary benefits that provide optimal nutrition while meeting your adult dog's or growing puppy's special needs.

Key Benefits

  • Gastrointestinal upset is one of the most common reason dogs visit the vet. It can be caused by many factors and generally impairs a dog's ability to digest and absorb nutrients.
  • Purina Pro Plan Veterinary Diets EN has been specifically formulated with the protein levels that your dog needs, as well as prebiotics and low fiber to support intestinal health.
  • It has excellent palatability, low carbohydrates, and moderate fat levels so it provides your dog with optimized nutrition.
  • Suited for dogs that have gastritis and enteritis, inflammatory bowel disease, pancreatitis, and other diseases of the intestinal tract.
  • Made in the USA!


Use only as directed by your veterinarian. Product not intended for ruminants or livestock.

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
    32.0 pounds
  • Brand
  • Breed Size
    All Breeds, Small Breeds, Medium Breeds, Large Breeds
  • Food Form
    Dry Food
  • Lifestage
  • Made in
    United States
  • Special Diet
    Sensitive Digestion, Prescription Food

Nutritional Info


Brewers Rice, Corn Gluten Meal, Whole Grain Corn, Chicken Meal, Animal Fat Preserved with Mixed-Tocopherols (Form of Vitamin E), Coconut Oil, Calcium Phosphate, Calcium Carbonate, Wheat Bran, Animal Digest, Potassium Chloride, L-Lysine Monohydrochloride, Sodium Bicarbonate, Salt, Fish Oil, Zinc Proteinate, Vitamin E Supplement, Dried Colostrum, Choline Chloride, L-Ascorbyl-2-Polyphosphate (Source of Vitamin C), Manganese Proteinate, Ferrous Sulfate, Niacin, Copper Proteinate, Vitamin A Supplement, Calcium Pantothenate, Thiamine Mononitrate, Riboflavin Supplement, Vitamin B-12 Supplement, Pyridoxine Hydrochloride, Garlic Oil, Folic Acid, Vitamin D-3 Supplement, Calcium Iodate, Biotin, Menadione Sodium Bisulfite Complex (Source of Vitamin K Activity), Sodium Selenite.

Caloric Content

3,826 kcal/kg, 399 kcal/cup

Guaranteed Analysis
Crude Protein 23.0% min
Crude Fat 10.5% min
Crude Fiber 2.0% max
Moisture 12.0% max
Ash 7.5% max
Calcium 0.95% min
Phosphorus 0.75% min
Linoleic Acid 1.4% min
Manganese 70 ppm min
Zinc 200 ppm min
Vitamin A 15,000 IU/kg min
Vitamin E 350 IU/kg min

Feeding Instructions

The following feeding program is recommended as a guideline only, with discretionary clinical adjustments for proper weight maintenance.

Weight Adult Maintenance Daily Feeding (Cups)
3 - 12 lbs 1/3 - 1
13 - 20 lbs 1 - 1 1/2
21 - 35 lbs 1 1/2 - 2 1/4
36 - 50 lbs 2 1/4 - 2 3/4
51 - 75 lbs 2 3/4 - 3 2/3
76 - 100 lbs 3 2/3 - 4 1/2
Over 100 lbs 4 1/2 + 1/4 for each 10 lbs over 100 lbs

Provide adequate fresh water in a clean container for your dog daily. For your pet’s health, see your veterinarian regularly.

Puppies: If your dog is under one year of age, consult your veterinarian for the proper amount to feed.

Transition Instructions

With your veterinarian’s approval, offer increasing amounts of the new food with decreasing amounts of the old food.

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Customer Reviews

153 reviews 153 Reviews 4.9 out of 5 Stars

99% Recommend

99% of reviewersrecommend this product

4.9 / 5
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  • Convenient

    By on

    I love the convenience of the food arriving at my front door. I work a lot and my with has a disability so she is unable to go to the vet and lift the 32lb bag of dog food. Not to mention that the price is better and now I comes every four weeks; no more forgetting to order it from my vet and then being forced to buy the smaller bag because my vet only keeps the small bag in stock.

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  • Very happy

    By on

    I was out of this dog food which I always buy it from my vet they where out of the food as well so I ordered a bag on line chewy then sent a e-mail requesting a script from my vet my vet sent it, that note I rechecked to see if the vet sent it to chewy, chewy tells me that my order is being shipped ? Puzzled my order arrived the next day just in time to feed the furry one's, I was pleased and very Happy how fast it arrived I will always use chewy for all my pet's supplies thanks chewy

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  • New customer

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    Our 2 year old dog was recently put in a prescription food and we were told to order from chewy.com. This was a fast and easy process. I highly recommend ordering from chewy to others. I will continue my order!

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  • my aged 14 Border Collie

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    My Maggie has been on this food for many years, but I always had to drive 20 miles to her Vets office and buy it. It was wonderful when I saw it on Chewy. I am not sure how .long my baby will live, so I don't think I can do the "auto" shipment. I will just continue to order it as needed. THANK YOU

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  • Cost and and delivery

    By on

    I have found that the cost of the dog food and the delivery time was much better than the company I previously used.

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  • aribenitez

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    Excellent for my dog, it was recommended by a friend and I tried for Bella, finally the result is really good

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  • Should have Small Breed Sizing

    By on

    My dog likes the dry EN food, but likes the canned EN better. However, the size of the EN kibble is too big for a Yorkshire terrier and would suit a larger breed dog, but Purina only makes it in one size. It would be helpful to make it in a small breed size also so my dog doesn't choke when she "woofs it down." I have to moisten it to solve the problem, and if she doesn't eat it all, I have to throw away the remaining soggy kibble.

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  • Happy Schnauzers

    By on

    3 of my 7 dogs are on this food and they are doing so well. It's expensive, but worth it.

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  • Good replacement for Iams Digestive Formula!

    By on

    We had been on an Iams form of this Rx diet, and I was nervous our little guy wouldn't make the switch. It took a couple days of consistent feeding, but now he's downing it like a champ, which is good because I have to try to keep weight on him. He also likes the wet food version of this. Btw, chewy.com, excellent customer service as always...you have the nicest people!! Please don't ever change!

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  • Food for kids

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    I just recently order the food for the kids, when the vet change their food cause of ingredients, call them and was blown away how awesome they were bout 100% return policy and had the food that the vet Prescribed

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