Best Dog Food for Sensitive Stomachs — What to Look For

If your dog deals with loose stools, vomiting, excessive gas, or constant itching, their food might be the problem. Digestive sensitivity in dogs is incredibly common — and often, the fix is simpler than you'd expect.

Here's how to identify the issue, what to look for in a food, and the brands we recommend.

Signs Your Dog Has a Sensitive Stomach

• Frequent loose stools or diarrhea
• Vomiting after meals
• Excessive gas or bloating
• Eating grass regularly
• Gurgling stomach noises
• Refusing to eat or eating very slowly

These symptoms can also indicate something more serious, so if they persist, see your vet first. But in many cases, the answer is a diet change.

What Causes Stomach Sensitivity in Dogs?

The most common culprits are:

• Too many ingredients — The more ingredients in a food, the harder it is to identify what's causing the problem. Complex recipes with long ingredient lists are more likely to trigger reactions.
• Common protein allergens — Chicken and beef are the most common protein allergens in dogs. If your dog has eaten the same protein for years, they may have developed a sensitivity to it.
• Grains or fillers — Some dogs don't tolerate corn, wheat, or soy well. Others do fine with grains. It varies by dog.
• Artificial additives — Colours, flavours, and preservatives can irritate sensitive digestive systems.

What to Look for in a Sensitive Stomach Dog Food

1. Limited Ingredients

The fewer ingredients, the easier it is to pinpoint what works. Look for foods labelled "limited ingredient diet" or "LID" — these typically use a single protein source and a minimal number of supporting ingredients.

2. Novel Proteins

If your dog has been eating chicken or beef their whole life, try a protein they've never had before. Novel proteins like salmon, lamb, duck, venison, kangaroo, or insect are less likely to trigger a reaction because your dog's immune system hasn't been exposed to them.

3. No Artificial Additives

Stick to foods with natural preservatives and no artificial colours or flavours. All the brands we carry meet this standard.

4. Easy-to-Digest Carbs

If the food includes carbohydrates, look for easily digestible options like oats, sweet potato, or lentils rather than corn or wheat.

Brands We Recommend for Sensitive Stomachs

Go! Solutions Sensitivities — Limited Ingredient

This line is purpose-built for dogs with food sensitivities. Each recipe uses a single animal protein with limited supporting ingredients. Available in:

• Salmon (regular and small bites)
• Lamb
• Duck
• Turkey
• Venison
• Insect protein (for dogs who react to all common meats)

The insect recipe is worth highlighting — it's one of the most hypoallergenic options available and works well for dogs who seem to react to everything.

Zignature — Limited Ingredient Formula

Zignature uses novel proteins that most dogs have never been exposed to. Their Kangaroo formula is a standout — kangaroo is one of the least allergenic proteins available. They also offer salmon, turkey, duck, and goat formulas. All grain-free.

FirstMate — Limited Ingredient Diet

FirstMate's LID line uses a single protein with blueberries for antioxidant support. Options include chicken, duck, fish, and lamb. Simple, clean formulas with minimal ingredients.

ACANA Singles

ACANA's Singles line features single-source animal protein recipes. Their Pork and Squash formula is a good option for dogs who react to poultry and fish.

Raw Food

Many dogs with sensitive stomachs do better on raw food because it's minimally processed and easier to digest. Starting with a single-protein raw like Buddies Lamb Premium or Iron Will Raw Rabbit can be a game-changer for dogs who haven't responded well to kibble.

How to Test a New Food

1. Pick one food with a single protein your dog hasn't eaten before.
2. Transition slowly over 7–10 days, mixing the new food with the old in increasing amounts.
3. Feed only that food for 6–8 weeks. No treats with other proteins, no table scraps. This is an elimination diet — you need a clean test.
4. Watch for improvement. If symptoms improve, you've likely found a food that works. If not, try a different protein.

It takes patience, but it's the most reliable way to identify what your dog can and can't tolerate.

We Can Help

Figuring out the right food for a sensitive dog can be frustrating. Our staff has worked through this process with hundreds of customers. Come into any of our 11 stores and we'll help you narrow down the options based on your dog's history.

Or shop online — we deliver across Vancouver Island with free delivery on orders over $49.

Shop dry dog food | Shop raw dog food