Royal Canin Veterinary Diet Gastrointestinal Fiber Response Dry Dog Food

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17.6-lb bag
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The gastrointestinal tract includes the esophagus, stomach, small intestine, large intestine, and colon. Therefore, gastrointestinal disease is defined as any abnormality involving one or more of these structures. By feeding your pet a diet that contains precise amounts of key nutrients, you can not only help minimize vomiting, diarrhea,or constipation, you can also help to support and improve the function of the gastrointestinal structures. This gastrointestinal diet is formulated to help maintain the balance of gastrointestinal microflora and intestinal mucosal integrity.

Key Benefits

  • Canine Gastrointestinal Fiber Response is a highly digestible, palatable, complete and balanced dry dog food
  • Includes an optimal blend of insoluble and soluble fiber to help regulate intestinal transit.
  • High level of insoluble fiber aids in the management of fiber responsive colitis and diarrhea
  • Contains a combination of highly digestible proteins, prebiotics and EPA & DHA helps support digestive health
  • Developed by nutritionists and veterinarians, this kibble tastes great and nutritionally supports your dog's healthy digestion

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
  • Weight
    17.6 pounds
  • 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. Chicken By-Product Meal, Brewers Rice, Chicken Fat, Powdered Cellulose, Rice Hulls, Corn, Wheat, Corn Gluten Meal, Natural Flavors, Wheat Gluten, Dried Plain Beet Pulp, Fish Oil, Monocalcium Phosphate, Grain Distillers Dried Yeast, Psyllium Seed Husk, Sodium Silico Aluminate, Potassium Chloride, Salt, Calcium Carbonate, Fructooligosaccharides, L-Lysine, Vegetable Oil, Dl-Methionine, Hydrolyzed Yeast, Taurine, Choline Chloride, Vitamins [Dl-Alpha Tocopherol Acetate (Source of Vitamin E), L-Ascorbyl-2-Polyphosphate (Source of Vitamin C), Biotin, D-Calcium Pantothenate, Vitamin A Acetate, Niacin Supplement, Pyridoxine Hydrochloride (Vitamin B6), Thiamine Mononitrate (Vitamin B1), Vitamin B12 Supplement, Riboflavin Supplement, Folic Acid, Vitamin D3 Supplement], Marigold Extract (Tagetes Erecta L.), Trace Minerals [Zinc Proteinate, Zinc Oxide, Ferrous Sulfate, Manganese Proteinate, Manganous Oxide, Copper Sulfate, Calcium Iodate, Sodium Selenite, Copper Proteinate], Rosemary Extract, Preserved with Mixed Tocopherols and Citric Acid.

Caloric Content

  1. 3,334 kcal/kg, 287 kcal/cup
Guaranteed Analysis
Crude Protein 21.0% min
Crude Fat 14.0% min
Crude Fiber 12.5% max
Moisture 10.0% max
Eicosapentaenoic Acid (EPA) 0.18% min
Docosahexaenoic Acid (DHA) 0.08% min

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Customer Reviews

Royal Canin Veterinary Diet Gastrointestinal Fiber Response Dry Dog Food is rated 4.9 out of 5 by 73.
Rated 5 out of 5 by from My dog loves this product I always ordered this product at my local vet. It just so happened that when I only had two bowls left for my little guy that the vet was sold out. We called every vets office in a 30 mile radius and everyone was completely out. So what does a worried doggy mom do go to the Internet. I can across and they are cheaper than the vets office. So my husband was so worried he's like you better hurry up and order the dog food to make sure it's gets here so our little guy doesn't starve. Well silly me ordered the wrong one. So I called the customer service line and I swear you not it probably rang twice and a representative answered. Tyler was is him. He was so helpful he reordered the right food and even called my vet since this product has to be proscribed. Which made the process go by so much fast. The product was here in two days. They ship very fast. I am very pleased by this company. I will definitely be ordered the rest of my dog from here from now one.
Date published: 2016-09-22
Rated 5 out of 5 by from great food wish it was not so expensive My GSD has had giardia and we have not been able to get rid of it. One of the symptoms is diarrhea and poor Loki has had it constantly if he is not on medication. My Vet and i have tried him on three separate foods (all prescription) to see if they would help. Finally, Royal Canin has. We are on our third round of medication, so hopefully this will help cure him.
Date published: 2016-12-20
Rated 4 out of 5 by from Seems to work for digestive problems. Not liking some of the ingredients. My vet recommended this for my dog, who tends to get diarrhea for no detectable reason. Seems to work, mostly. The by-products among the ingredients are both worrisome and making me wonder why this is so bloomin' expensive.
Date published: 2017-02-05
Rated 5 out of 5 by from Helps digestion I decided to try to find a dog food that was suitable for an old dog, a middle age dog and a young dog, and this seems to fit the bill! I was introduced to this food when I put my dogs in the kennel for a few days and this is what they were fed. I am well pleased and the dogs seem to be also.
Date published: 2017-01-15
Rated 5 out of 5 by from Service It's not the product that deserves the review, it was the service. The item we purchased by prescribed by our vet and we couldn't find it any where. Finally someone suggested that we take a look at your site. It was easy, came in a couple of days. No fuss no muss. Thanks, we will be back.
Date published: 2017-02-15
Rated 5 out of 5 by from Dogs love it Our vet recommended this food for our yorkipoo. I was driving to get it every couple of months. We then found CHEWY.COM. Love that it comes right to my door!
Date published: 2017-01-22
Rated 5 out of 5 by from PLEASED! ! Turn-around from order to arrival of food exceeded my expectations. Ordered November 23 and arrived November doggy was very happy...
Date published: 2016-12-06
Rated 5 out of 5 by from great product great price mom was buying it from her vet. told her Chewy prices much cheaper. She did not believe me until I showed her the Chewy website.
Date published: 2016-12-27
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