Grain-free and low-grain dog food: what are the differences?
"Grain-free" kibble and "low-grain" formulas represent two different approaches to feeding dogs and cats, which are often compared but not always clearly explained.
The main difference lies in the presence and amount of grains, but the nutritional implications depend on the overall formulation of the food.
In this article, we analyze what really these two types of kibble, what their nutritional , and what emerges from the available scientific evidence. Our goal is to provide an informative overview based on verifiable data, useful for understanding the differences without oversimplification.
Grain-free kibble: features
The term “grain-free” refers to foods formulated without the use of grains such as wheat, corn, rice, oats, barley, or sorghum.
However, this does not mean there are no carbohydrates. In grain-free kibble, in fact, grains are generally replaced with other carbohydrate sources such as potatoes, peas, or other legumes. Theenergy derived from carbohydrates remains, but the source changes.
From a nutritional standpoint, a grain-free diet is not automatically higher in protein or more “natural,” because its composition always depends on the specific formulation of the product.
For this reason, the term “grain-free” primarily describes an absence (of grains), but does not in itself define the overall nutritional value of the food.
You might also be interested in the article "Protein for Dogs: Why It's So Important in Their Diet."
Low-grain kibble: features
"Low-grain" kibble, on the other hand, do contain grains, but in lower quantities than traditional formulas. The grains are not eliminated, but simply reduced.
The difference between low-grain and grain-free kibble is therefore simple: low-grain kibble contains grains (though in smaller quantities than traditional formulas), while grain-free kibble does not.
The difference between grain-free and low-grain
The difference between the two types is straightforward in terms of definition, but becomes more complex when considering composition.
This table shows a direct of:
|
Appearance |
Grain-free |
Low grain |
|
Presence of grains |
Absent |
Present, but in reduced numbers |
|
Carbohydrates |
In attendance |
In attendance |
|
Sources of carbohydrates |
Root vegetables (potatoes, tapioca) and/or legumes (peas, lentils, chickpeas) |
Grains + any other sources (tubers and/or legumes) |
|
Formulation Objective |
Grain-free |
Few grains |
|
Nutritional variability |
It depends on the recipe |
It depends on the recipe |
If formulated correctly, both solutions can be nutritionally complete: the difference does not lie in the presence of carbohydrates, but in the source from which they derive.
Here we’ve selected some of our grain-free products.
🐶 Grain-Free Dog Food
Holistic Adult | Venison & Lamb + Hemp & Ginseng
Holistic Adult | Ocean Fish & Hemp & Aloe Vera
Holistic Adult | Chicken & Duck + Aloe Vera & Ginseng
🐱 Grain-Free Cat Food
Holistic Adult Hairball | Chicken & Duck + Sugarcane Fiber & Aloe Vera
Holistic | Chicken & Duck + Aloe Vera & Ginseng
Holistic Adult Sterilized | Lamb & Venison + Hemp & Ginseng
Holistic Adult Sterilized | Ocean Fish + Hemp & Aloe Vera
Are grains really bad for dogs? What the science says
The answer is: not necessarily.
First and foremost, it is essential to make an important distinction: grains are not synonymous with carbohydrates. They are simply one possible source, along with other ingredients such as potatoes or legumes.
Dogs are perfectly capable of digesting carbohydrates, even when they come from grains. In fact, during the domestication process, their metabolism adapted to utilize this type of nutrient as well, which contributes positively to energy intake and proper intestinal function.
There is therefore no scientific evidence that grains are harmful to all healthy dogs. However, as is the case with other ingredients, some dogs have individual sensitivities to specific grains or to gluten, so a grain-free diet is particularly recommended for them.
Similarly, there are certain situations where it is advisable to focus more on quantity than on type; for example, in some Nordic or primitive dog breeds, or in cats (which are strict carnivores), a diet very high in carbohydrates may not be ideal because it is poorly tolerated.
In practice, it is not the presence or absence of grains that determines whether a feed is suitable or not, but its overall balance and its suitability for the individual animal.
We've written a blog post that takes a closer look at carbohydrates in dogs. You can find it here.

When to choose grain-free or low-grain*
|
Situation |
Grain-free |
Low grain |
|
Healthy dog/cat with no special needs |
✅ Available option |
✅ Available option |
|
Sensitivity or suspected intolerance to grains |
✅ Can be evaluated |
❌ Less suitable |
|
Elimination diet (as directed by a veterinarian) |
✅ Most commonly used |
✅ Most commonly used |
|
No digestive sensitivity |
✅ Possible |
✅ Possible |
|
The need for variety in carbohydrate sources |
✅ A useful alternative |
✅ A useful alternative |
*This table does not indicate a “best” solution, but helps explain in which situations one option may be preferable to another. The choice always depends on the individual animal and, when necessary, on consultation with a veterinarian.
A choice that starts with each individual dog or cat
There is no one-size-fits-all answer when comparing grain-free and low-grain dog food. The main difference lies in the presence of grains, but from a nutritional standpoint, what really matters is theoverall balance of the food and how well it meets the animal’s needs.
Both solutions may be appropriate, depending on the context. For this reason , the choice shouldnot be based on a general rule, but on a broader assessment (characteristics of the dog/cat, any sensitivities, quality of the formulation).
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Frequently Asked Questions
What are grain-free kibbles?
Grain-free kibble is dog or cat food formulated without grains. The carbohydrates it contains generally come from alternative sources, such as potatoes or legumes.
What are the differences between low-grain and grain-free dog food?
The main difference is simple: grain-free dog food contains no grains, while low-grain dog food contains grains but in reduced quantities. Otherwise, both can be nutritionally complete, depending on the formulation.

