Why Do Some Dogs Struggle With Grain?

You’ve probably seen “grain-free” on dog food and treat packaging. But what does it actually mean, and why does it matter?

The truth is, not all dogs struggle with grain. But for some, it can cause real issues.

Here’s what you need to know.

What do we mean by grain?

Grains are ingredients like:

• Wheat
• Corn
• Barley
• Rice

They’re often used in dog food and treats as fillers to bulk up the food, or to help bind ingredients together.

Why can grain cause problems?

Some dogs find grain harder to digest.

This can be due to:

• Sensitivities or intolerances
• Allergic reactions (less common, but possible)
• Lower-quality ingredients in heavily processed treats

It’s not always the grain itself, but the way it’s used.

Signs your dog might be struggling

If your dog isn’t getting on well with grain, you might notice:

• Itchy skin or scratching
• Upset stomach or inconsistent stools
• Low energy or discomfort after eating

These symptoms can have different causes, but diet is a good place to start.

Are grain-free dog treats better?

Not every dog needs grain free food, but often a safer option for sensitive ones, plus it usually means higher protein levels and better ingredients.

Grain-free dog treats tend to:

• Focus more on meat-based ingredients
• Be easier to digest
• Contain fewer fillers

That simplicity can make a big difference.

Why natural treats can help

Natural dog treats, especially those made from single ingredients, remove a lot of the guesswork.

If you know exactly what’s in the treat, it’s easier to:

• Identify triggers
• Manage sensitivities
• Keep your dog comfortable
• It’s about what works for your dog

Every dog is different.

Some will happily eat treats with grain and have no issues at all. Others do much better without it.

The key is to:

• Pay attention to how your dog responds
• Choose simple, high-quality treats
• Make changes if something doesn’t seem right
• Keep it simple

If your dog has a sensitive stomach, simpler is usually better.

Treats made from real meat, with minimal processing, are often the easiest place to start.

Dewkes dog food and treats

Dewkes dog food and treats are all grain-free, meaning they are hypoallergenic and great for dogs with sensitive tummies. Check out our full range >