Royal Canin Veterinary Diet Gastrointestinal Fiber Response Dry Cat Food, 8.8-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. This diet is also formulated to help maintain the balance of gastrointestinal microflora and intestinal mucosal integrity

Key Benefits

  • Feline Gastrointestinal Fiber Response is a highly digestible, palatable, complete and balanced cat food
  • Contains a combination of highly digestible proteins, prebiotics and EPA & DHA help support digestive health
  • Optimal blend of insoluble and soluble fiber supports healthy digestive transit and maintain intestinal health
  • Eicosapentaenoic and docosahexaenoic acids help nourish the digestive system
  • Royal Canin Urinary S/O Index® promotes a urinary environment unfavorable to the development of both struvite and calcium oxalate crystals

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
    8.8 pounds
  • Brand
    Royal Canin
  • Food Form
    Dry Food
  • Lifestage
  • Made in
    United States
  • Special Diet
    Sensitive Digestion, Prescription Food

Nutritional Info


  1. Chicken By-Product Meal, Chicken Fat, Brown Rice, Brewers Rice, Corn Gluten Meal, Wheat Gluten, Powdered Cellulose, Natural Flavors, Egg Product, Dried Plain Beet Pulp, Potassium Chloride, Fish Oil, Sodium Silico Aluminate, Grain Distillers Dried Yeast, Calcium Sulfate, Sodium Bisulfate, Dl-Methionine, Psyllium Seed Husk, Salt, Fructooligosaccharides, Monosodium Phosphate, Vegetable Oil, Hydrolyzed Yeast, Taurine, Choline Chloride, L-Lysine, Magnesium Oxide, Vitamins [Dl-Alpha Tocopherol Acetate (Source of Vitamin E), L-Ascorbyl-2-Polyphosphate (Source of Vitamin C), Niacin Supplement, Biotin, D-Calcium Pantothenate, Riboflavin Supplement, Pyridoxine Hydrochloride (Vitamin B6), Vitamin A Acetate, Thiamine Mononitrate (Vitamin B1), Vitamin B12 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. 3,687 kcal/kg, 361 kcal/cup
Guaranteed Analysis
Crude Protein 29.0% min
Crude Fat 13.0% min
Crude Fiber 4.7% max
Moisture 8.0% max
Eicosapentaenoic Acid (EPA) 0.18% min
Docosahexaenoic Acid (DHA) 0.08% min

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Customer Reviews

Rated 4.9 out of 5 by 231 reviewers.
Rated 5 out of 5 by amazing results miracle food for constipation This is a miracle food. Have a kitty with chronic constipation. Have tried everything with limited success. This food cured the problem. After years of problems, my kitty is now regular and no longer constipated. She also enjoys the taste of the food as do other members of my feline family. Be prepared to see an increase in stool production. Vet says normal and has seen similar results, curing constipation with other clients. I tend to be a food snob and dont like products with gluten and by products. In spite of these, i enthusiastically serve this food to my cat and thankful she no longer suffers. Wish they had a canned food in this formula. I have found if kitty has one good sized portion of the vet formula a day, can also use royal canin gastrointestinal intense as secondary food as it is far cheaper. Again, hate its corn gluten meal and chicken by products meal, wouldn't feed if it didn't work! January 9, 2017
Rated 5 out of 5 by This is wonderful for cats with tender tummies. My vet recommended this Royal Canin Gastrointestinal blend for my senior cat who was having a great deal of trouble keeping his food down. Since we switched, no more tender tummy issues. Definitely keeping this on auto-ship January 19, 2017
Rated 5 out of 5 by Great Product I have a cat that has a intestinal problem from a kitten. I also have a another cat that has problems. This product was recommended by my veterinarian. It is a great product. All my cats do great on it. There problems are under control. January 19, 2017
Rated 5 out of 5 by Excellent source for prescription pet food This is an excellent, convenient way to shop for prescription pet food. No more trips to the vet's office. Now it's delivered to your door and someone else gets to do the heavy lifting! January 16, 2017
Rated 5 out of 5 by this food gets amazing results in a very short time My cat was going to the vet for vomiting and inability to have bowel movements weekly. When we changed to this food she was back in good health in 2 days. I'm so grateful. January 18, 2017
Rated 4 out of 5 by My older cat I have a 14 yr old male Ragdoll who had had loose bowels for about a year after trying many things I saw the gastrointestinal wet & dry it has helped significantly !! January 15, 2017
Rated 4 out of 5 by Cautiously Optimistic - Chronic Constipation My 11 year old male tabby cat has suffered for years with constipation and Sloooow bowel transit time. I've tried most everything; holistic- prescription, wet only. purchased RC gfr. So far, significant improvement. Has bowel movements on average every 2 days vs 3 to 4. January 14, 2017
Rated 5 out of 5 by picky cat loves it My cat who is very picky loves this food and it has regulated her bowels :) January 11, 2017
  • 2017-01-21 T06:38:28.530-06:00
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