10 Vet-Verified Best Dog Foods for Colitis in 2025 – Reviews & Top Picks

If your dog has been diagnosed with colitis, you’re probably wondering what happens next. What should I feed a dog with colitis?

First and foremost, it’s important to understand that colitis is a syndrome, not a specific diagnosis. It refers to inflammation of the large intestine or colon – hence the name, colitis. It can be the result of an infection, immune-mediated disease, or even stress. Just because your dog has been diagnosed with colitis, does not mean that they will be affected for life, but some dogs have chronic conditions that mean they are more predisposed to ongoing bouts of colitis over the course of their lifetime. 

One of the most common causes of colitis in dogs is food sensitivities or intolerances, and this is often linked to immune function. The most important part of managing colitis is getting a proper diagnosis, and this can sometimes be a lengthy process, involving blood tests, fecal analysis, ultrasounds, even biopsies. Another essential aspect of managing colitis is providing your dog with a food that will not trigger further inflammation. In the short term, this can sometimes be a simple blend of plain boiled chicken or white fish with some rice, but of course, this is not a nutritionally complete diet, and is only suitable for a few days.

As a more long term strategy, there are a huge number of different dog foods on the market designed to help dogs with food sensitivities, but which one is right for you and your dog? Many of these foods are quite expensive, so be prepared to be spending a bit more than you may be used to. This is one area where you don’t want to cut corners or try to save money by mixing different foods together.

You may need to try a few different options until you find the ideal fit for your dog, so it’s usually a good idea to purchase a smaller supply to begin with. Remember that any sudden changes in diet can also trigger intestinal upset and diarrhea, so you should always try to introduce new foods gradually. However, most of the foods on our list will be less likely to cause a significant reaction, so you can usually introduce them over a few days, rather than the recommended 7-14.

Make sure you include your vet in your plan so that they know what you are feeding your dog and when.

Important note: The products reviewed in this article were selected based on characteristics that may support dogs with mild cases of colitis. While the content has been vet-verified for general safety, the food choices do not necessarily reflect the personal recommendations of the reviewing veterinarian. These products are not a treatment for colitis and should not replace veterinary care. Every dog is different, and what works for one may not be suitable for another. Always consult your veterinarian to determine the most appropriate diet for your dog’s specific condition.

A Glance at Our Top Picks (2026 Update)

Rating	Image	Product	Details
Best Overall		Hill’s Prescription Diet Digestive Care Dog Food	ActivBiome+ technology Better stool quality Available is large and small sized kibble	Check Price
Best Value		Diamond Care Sensitive Stomach Dry Dog Food	Affordable Eases digestion Promotes healthy skin and coat	Check Price
Premium Choice		Blue Buffalo Natural Veterinary Diet GI Dog Food	Dogs like the taste Good for all ages Easily digested	Check Price
Best for Puppies		Royal Canin Puppy Gastrointestinal Dry Dog Food	Can be moistened with warm water Improvement in stool quality Easy on the digestive tract	Check Price
		Royal Canin Adult Gastrointestinal Low Fat Dog Food	For long or short-term use Gastrointestinal formulated treats available Improves stool quality	Check Price

The 10 Best Dog Foods for Colitis

1. Hill’s Prescription Diet Digestive Care Dog Food– Best Overall

Hill’s Prescription Diet i/d Digestive Care Chicken Flavor Dry Dog Food is the  best dog food for dogs with colitis. The diet is formulated with ActivBiome technology to kick start gut bacteria, ease digestion and support absorption of nutrients. The prebiotic fiber and fatty acids will provide your pup with the proper nourishment for gastrointestinal health and better-quality stools. This tasty diet is available in small bites for pets with chewing difficulties.

The cost may be a bit high for those of you that may have a tight budget and it does require approval from your vet, so keep this in mind.

2. Diamond Care Sensitive Stomach Dry Dog Food – Best Value

Diamond Care Sensitive Stomach Formula Adult Grain-Free Dry Dog Food has been selected as the best dog food for colitis for the money. At an affordable price, you can feed your dog a grain-free diet with limited ingredients that may irritate a sensitive stomach. The diet is formulated with egg protein to ease digestion. It contains omegas for healthy skin and coat and vitamins and minerals for balanced nutrition. It does not contain artificial colors, flavors, or preservatives.

Some reviewers have said their dogs get gas, and some won’t eat it. In addition, there are some studies that suggest a possible link between grain-free diets and heart disease in dogs. Before feeding your pet a grain-free or specialized diet, talk to your veterinarian.

3. Blue Buffalo Gastrointestinal Support Dry Dog Food– Premium Choice

Our review of foods for dogs with colitis found Blue Buffalo Natural Veterinary Diet GI Gastrointestinal Support Dry Dog Food as our premium choice. The diet is formulated to meet a dog’s nutritional needs at all stages of life. It provides ingredients that are easily digested by puppies and adult dogs alike. The protein, fats, and carbohydrates help his body absorb nutrients to aid in digestion. The immune system is supported by ingredients like cranberries and blueberries.

Some reviews reported difficulty chewing for small dogs or senior dogs with dental issues. The Blue Buffalo diet does require vet approval and is a bit costly.

4. Royal Canin Veterinary Diet Puppy Gastrointestinal Dry Dog Food – Best for Puppies

Our review of the best food for puppies with colitis is Royal Canin Veterinary Diet Puppy Gastrointestinal Dry Dog Food. The Royal Canin can be given to your pup for a long or short period of time. The tasty, rehydratable food is high in fat and calories. Just add a little warm water to his kibble, and your puppy can easily move on to adult food. Feeding your puppy small portions will protect his sensitive stomach and provide healthy digestion. The fatty acids from fish oil are gentle on the GI tract, and the dietary fibers support digestion for improvement in the quality of his stool.

If your dog has GI issues, you will need veterinary approval for this product, and the cost may put a dent in your wallet.

5. Royal Canin Adult GI Low Fat Dry Dog Food

Royal Canin Veterinary Diet Gastrointestinal Low Fat Dog Food is good for dogs suffering from colitis. The goal of this diet is to relieve inflammation in the gut to ease digestion. The omega-3 fatty acids also help with digestion. It is a tasty diet for dogs that have an intolerance or difficulty digesting fat. The ingredients contain dietary fibers for better quality stool and healthy digestion. For an occasional treat, there are gastrointestinal treats available also.

The formula does require veterinary approval. Like other prescription diets, it can get a bit expensive.

6. Royal Canin Adult GI Low Fat Canned Dog Food

One of our picks for the best dog foods for colitis is Royal Canin Veterinary Adult Gastrointestinal Low Fat Canned Dog Food. The soft loaf is a wet dog food that can be given to your pet short or long-term. The soft diet can be especially desirable to a dog that has difficulty chewing kibble. With proteins and prebiotics for healthy digestion and stool, the low-fat ingredients may be a desirable choice for your pup. For dogs that have difficulty digesting fat, it will provide him with calories sufficient for his needs. The level of fiber has been adjusted to accommodate the lower fat content. Fiber provides energy for maintaining a healthy weight.

Unfortunately, if you have a picky eater, this may not be for you. It requires vet approval and can put a dent in your budget.

7. Hill’s Prescription Diet Food Sensitivities Dry Dog Food

One of our picks for the best dog food for colitis is Hill’s Prescription Diet z/d Skin/Food Sensitivities Original Flavor Dry Dog Food. The diet contains hydrolyzed protein, which can be effective in managing dogs with food allergies and inflammatory bowel disease. The proteins are broken down to an extent that they are less recognizable by the immune system, and so less likely to trigger a reaction. Along with improved digestion, the ingredients help to relieve skin irritation associated with food allergies.

Like other veterinary prescribed diets, the Hill’s z/d formula is on the expensive side. If your dog refuses to eat it, you may be left “holding the bag.”

8. Purina Pro Plan Gastroenteric EN Low Fat Dry Dog Food

Our review found that Purina Pro Plan Veterinary Diets EN Gastroenteric Low Fat Dog Food works well for dogs with colitis. While most dogs do not have a problem digesting fat, a low fat diet may lessen the bouts of diarrhea for your pet. The diet contains ingredients that are high quality and prebiotic fibers to help relieve your pet’s diarrhea. You may want to try this formula if the high and moderate fat formulas are not helping your dog. This low-fat, pea-free diet with grain may be your answer if your dog has problems digesting fat.

The reviews are mixed when it comes to taste, however. For a costly veterinary diet, dogs don’t seem excited about the taste or they just won’t eat it at all.

9. Blue Buffalo Diet Novel Protein Grain-Free Dry Dog Food

One of our picks for dog foods for colitis is Blue Buffalo Natural Veterinary Diet NP Novel Protein Alligator Grain-Free Dry Dog Food. For those of you that prefer to feed your dog grain-free food, this may be an ideal choice. Your dog is sure to love the flavor of alligator meat, a novel protein that your dog won’t have eaten before, unlike chicken and beef. It is also free of preservatives and artificial flavors. For a healthy immune system, the diet includes antioxidants and vitamins, along with cranberries and blueberries. Your dog’s skin and coat will also be supported by the omega-3 fatty acids.

This is a grain-free diet and contains peas. As previously stated, some studies link heart disease with grain-free diets. The formulation is expensive and does require vet approval.

10. Purina Pro Plan Hydrolyzed Vegetarian Dry Dog Food

Our final pick for a dog food for colitis is Purina Pro Plan Veterinary Diets HA Hydrolyzed Vegetarian Dry Dog Food. Formulated with the help of researchers, veterinarians, and nutritionists specifically for dogs and growing pups. This is a vegetarian diet with hydrolyzed protein to aid your pet in the digestion process. The specialized diet is chicken and pea-free and is suitable for all breed sizes.

Some reviewers find the kibble to be too hard for senior dogs or ones with chewing difficulties. This is a key factor to consider since the food is on the pricey side and requires veterinary approval.

Buyer’s Guide: Selecting the Best Dog Foods for Colitis

Dogs suffering from colitis will show signs of urgency, straining, and blood or mucus in his stool. In some cases, your dog may experience a lack of appetite or appears to be lethargic. The inflammation results in decreased water absorption and diarrhea.

Causes and Treatment of Colitis

While stress colitis is one of the major bowel diseases in dogs, infections, parasites, primary inflammatory bowel disease and food allergies can cause acute or chronic diarrhea in dogs. Once your dog is diagnosed with colitis, your vet may prescribe medication along with a specialized diet. In most cases, the inflammation will subside, or be managed with food and/or medication.

How We Selected These Dog Foods for Colitis

This buyer’s guide was carefully crafted by our writers and editors and fact-checked by our team of in-house veterinarians. The dog foods reviewed here are rated on a combination of factors: brand reputation, customer reviews across multiple retail outlets, personal experience, and in some cases, feedback from our own dogs! Together, we choose and review only the best dog foods available, to help you make the most informed decisions that foster the well-being of your furry friends.

Why Trust Dogster?

Dogster has been a trusted brand for dog owners online since 2004, which means we have a lot of experience with dog foods. We are a team of passionate dog owners who care about our pups as much as you do yours. We want the best for every canine on the planet. Dogster’s writers, editors, and veterinarians are deeply invested in the well-being of our pets, and we believe that all pet owners share this dedication to providing only the highest quality products and services for our dogs.

Final Thoughts

We hope this list gives you an idea of the best food for your canine best friend. For dogs with colitis, our best overall pick is Hill’s Veterinary  Care Dry Dog Food. The best value for the money is Diamond Care Sensitive Stomach Formula . Our premium choice for dogs with colitis is Blue Buffalo Veterinary Diet Dry Dog Food. If you have a puppy with colitis, our pick is Royal Canin Veterinary Diet Puppy Food.

See also:

• 10 Best Dog Food for Small Dogs With Allergies

• 9 Best Dog Foods for German Shepherds with Skin Allergies

Featured Image Credit: Kabo, Unsplash