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Royal Canin Veterinary Diet Gastrointestinal Fiber Response Dry Dog Food

List Price: $68.89
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17.6-lb bag
  • 8.8-lb bag
  • 17.6-lb bag

Product Description


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

  • High level of insoluble fiber aids in the management of fiber responsive colitis and diarrhea
  • Eicosapentaenoic and docosahexaenoic acids help nourish the digestive system
  • A combination of highly digestible proteins, prebiotics and EPA & DHA helps support digestive health
  • An optimal blend of insoluble and soluble fiber helps maintain intestinal health

NOTE: Royal Canin Veterinary Diets require a veterinary prescription. This product ships directly from Royal Canin and will arrive separately from other products ordered from This product will not be shipped until a copy of a valid prescription authorization is faxed to 786-528-6088 or e-mailed to

See all items by Royal Canin Veterinary Diet »

Item Number 48746
Weight 17.6 pounds
  • Adult
Special Diet
  • Prescription Food
Food Form
  • Dry Food
  • Royal Canin
Country of Origin
  • United States

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Important Information


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

Customer Ratings & Reviews

Rated 4.9 out of 5 by 28 reviewers.
Rated 5 out of 5 by The Only Food That Works for My German Shepherd I recently got a 2 and 1/2 year old German Shepherd. He had horrible diarrhea when I got him. I had him on Metro for five weeks. Although it got better, his poop just wouldn't firm up and remained mushy. I tried a few different foods, but then my vet talked to the Royal Canin vet techs and they recommended this food. It is miraculous. My dog poops a lot because of all the fiber, but his poops are works of art. I know this may sound strange to say, but if you have ever had a dog suffering from diarrhea (and I've had a few so I'm super sensitive about it), you'll know what I mean. May 10, 2015
Rated 5 out of 5 by FINALLY!!! Our new rescue puppy, Buddy, suffered for almost 3 months with bouts of diarrhea. After several vet visits, de-wormers, antibiotics (metro), rice diets and then adding pumpkin to his kibble which didn't work, our vet recommended Royal Canin Veterinary Diet Gastrointestinal Fiber Response Dry Dog Food. FINALLY, WE HAD A NORMAL POOP & NO DIARRHEA!!! We switched him in one day with unbelievable results. He loves the taste and runs in circles when he knows its feeding time! I cant tell you from a loving mom's perspective the relief and gratitude I feel! For anyone who has experienced this I would strongly recommend this food, I wont ever switch! I know our puppy has finally found his forever food!!! THANK YOU ROYAL CANIN!!! July 23, 2015
Rated 5 out of 5 by Specialty foods made affordable. Great timely delivery considering they had to verify prescription with vet. This particular food is not carried in any petsmart anymore and it is the ONLY food that works for my dogs stomach. Not only does have this type, but it is significantly less expensive than petsmart home delivery and FREE shipping! Highly recommend. May 12, 2014
Rated 5 out of 5 by Saved my rescue This Royal Canin fiber response is fabulous. My daughter rescued a pit/lab mix. After a few days the poor dog started bloating up and having diarrhea. We took her to one vet who thought she might have eaten squirrel poopoo....but the problems still existed. Took her to another vet and they took a stool sample. They determined that she had plenty of bacteria in her intestines and that about every 21 days it would flourish so much that is bloated her tummy and gave her the diarrhea. The vet recommended this food to help keep the bacteria under control. It has worked beautifully for three years - dog is fine and happy and no digestive problems at all. Using this food solved the problem and saved huge vet bills. Highly recommend it. March 26, 2014
Rated 5 out of 5 by this product is a life saver for me My girl cat was having a hard time going to the bathroom always straining, took her to the vet and he sold me this cat food , excellent food she has no problem now, I highly recommend this food. It is a little expensive but with the savings of having to constantly take her to a vet it is well worth it. July 11, 2015
Rated 5 out of 5 by Miracle Food Our lab mix had regular bouts of diarrhea/blood in stool. We tried many different brands and varieties of food including various ingredients, grain-free, limited ingredient, hydrolyzed protein, etc. The symptoms always came back and required metro to fix. Its been three months on this food and his problems have disappeared. My advice is to try this food FIRST if your pet experiences these digestive issues. I just wish there was a larger size (25-35lb) bag. July 2, 2015
Rated 5 out of 5 by Good for gastroenteritis My English setter mix had mucous and blood in his stool, plus diarrhea, and wound up in the ER after a particularly nasty episode. The vet recommended this food. Yes, it's expensive, but my boy is feeling much better, and his "output" looks great. October 27, 2013
Rated 5 out of 5 by Fantastic product! This food helped my 14-year-old black lab within 24 hours, amazing. My veterinarian knew to prescribe this product. I am impressed! December 28, 2013
  • 2015-11-26 T09:46:59.841-06:00
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