Natural Dog Treats in the UK: What the Word Does and Does Not Mean
"Natural" is not a tested claim on a UK dog treat. Labelling rules set out what has to be declared, not which adjectives may be used, so nothing is checked before the word goes on the bag. Two packs carrying it can be entirely different products, and neither has passed anything to earn it.
That is worth knowing before you use it as a filter, because there are four things on the same pack that do carry information: the ingredient list, the analytical constituents panel, the calories per treat, and the physical form of the treat. This guide covers what the word is doing, what the evidence says about label claims generally, why natural and safe are unrelated, and what to compare instead.
Some Grub publishes this guide and makes dog treats. We say so plainly, cover the approaches we do not sell, and hold our own product to the same standard.
the short version
- "Natural" is a marketing description, not a regulated or tested claim. Nothing is verified before it is used.
- Even specific, testable label claims fail often enough to matter: three of four dry dog foods labelled as containing no soy tested positive for soy.
- Natural does not mean safe. Grapes, raisins, onion, garlic and macadamia nuts are entirely natural and toxic to dogs.
- The four checkable things on a treat pack are the named ingredients, the analytical constituents, the calories per treat and the form. Everything on the front is copywriting.
- "Natural" is not the same as organic, grain free or single protein. Those mean different things and only some of them are checkable.
- If your dog has a specific problem, buy on that, not on the adjective. A digestive filter, an exclusion filter and a training-size filter are all more useful than "natural".
Want fewer additives?
Read the ingredient list. That is the only place additives appear.
Want a specific exclusion?
Named species and a short list beat any adjective on the front.
Assuming natural is safer?
Some of the most dangerous foods for dogs are entirely natural.
Want to skip meat?
Plant and insect proteins are a different decision from a natural one.
What the Word Is Required to Mean
Nothing testable. UK pet food labelling governs what must appear on a pack: the ingredients, either named or by permitted category, and the analytical constituents. It does not restrict descriptive marketing words, and there is no laboratory check a treat has to pass before "natural" can be printed on it.
So the word tells you what the manufacturer would like you to think, which is not the same as being untrue. Plenty of natural-branded treats are simple, short-ingredient products made exactly as you would hope. The problem is that the word cannot distinguish those from the ones that are not, which is the only job you wanted it to do.
Two related words get conflated with it, and both mean something different. Organic is a certified scheme with an audited standard behind it, so it does carry information, though about farming rather than about nutrition. Grain free describes something that has been left out, which tells you nothing about what has been put in. Neither is a synonym for natural, and none of the three tells you whether a treat suits your dog.
The four things you can actually check
| What to look at | What it tells you | What it does not tell you |
|---|---|---|
| The ingredient list, and whether each animal ingredient names a species | What is actually in it. Category words like "meat and animal derivatives" are legal and name no species, so a pack using them cannot be verified whatever the front says | Quality, sourcing, or whether your dog tolerates it |
| Analytical constituents: protein, fat, fibre, ash, moisture | Numbers that mean the same thing on every pack, so two treats can genuinely be compared | Anything about the ingredients those numbers came from |
| Calories per treat, if given | Whether it fits your dog's day. Most treat problems are portion problems | Anything about the recipe |
| The form: soft-baked, dried, a chew, a whole dried body part | Chew time, choking risk, tooth risk, and how easily you can break it up for training | Nutritional value |
Even Testable Claims Are Not Reliable
Here is the part that reframes the whole category. If a vague adjective is unverifiable, you might reasonably assume a specific, falsifiable claim would be reliable. The evidence says otherwise.
When four dry dog foods labelled as containing no soy were tested for soy antigens, three of the four came back positive (Willis-Mahn and colleagues, 2014). That is a claim you can prove wrong in a laboratory, made about a specific ingredient, and it still failed three times in four products.
The pattern is broader. A systematic review of studies testing what is actually in commercial pet food found ingredients not named on the label in a median of 45% of tested products (Olivry and Mueller, 2018). Of twelve canine limited-antigen diets analysed by two independent methods, ten contained animal material that was not declared (Ricci and colleagues, 2013).
Two honest caveats. These are small studies, none of them UK samples, and none of them fed the mislabelled products to reacting dogs, so the finding is that undeclared ingredients are common, not that any given dog will react. And the studies tested complete foods rather than treats. But the argument holds in the direction that matters here: if a checkable claim fails this often, an unfalsifiable adjective carries less information still, not more.
Natural Does Not Mean Safe
This is the assumption worth breaking, because it is the one that causes actual harm.
Some of the most dangerous foods for dogs are entirely natural, entirely unprocessed, and sitting in most kitchens. Grapes and raisins are toxic to dogs. So are onion, garlic, leek and chives, the whole allium family. So are macadamia nuts (Cortinovis and Caloni, 2016). Garlic is worth naming twice, because it is still marketed to owners as a natural remedy.
- Grapes and raisins: no safe amount has been established, and even one is worth a call to the vet
- Onions and garlic: toxic cooked or raw, and the "a little is good for them" line is a myth
- Macadamia nuts: genuinely toxic, unlike most nuts which are simply a bad idea
- Xylitol: not a natural ingredient, but it turns up in sugar-free products sold as the healthier option, which is the same reflex
- Chocolate: a natural plant product, and dose-dependent rather than harmless
The grape case makes the point sharply. Tartaric acid is the proposed mechanism, and a case series of six dogs that ate tamarind or cream of tartar recorded acute kidney injury resembling grape poisoning (Wegenast and colleagues, 2022). Six cases is not evidence that either is a common hazard, and it is not a reason to start worrying about your baking cupboard. What it does illustrate is the principle: the compound was in ordinary natural ingredients nobody had thought to check, and the mechanism is still described as proposed rather than settled.
Most poisonings of this kind happen because the owner did not know the food was dangerous, not through carelessness (Cortinovis and Caloni, 2016). That is exactly why a reassuring word on the front of a pack is a poor substitute for reading what is in it. If your dog has eaten any of the above, ring your vet rather than searching for how much is too much.
Which Filter You Actually Want
"Natural" is usually standing in for a more specific requirement. Naming the real one gets you a better treat.
If you want fewer additives and a shorter recipe
That is a real and reasonable preference, and it is checkable: read the ingredient list and count. A treat with five named ingredients is a different product from one with twenty and a category word, regardless of what either says on the front.
If you are avoiding a specific ingredient
Then you need named species on every animal ingredient, not an adjective. Category declarations and unnamed fats are where an excluded protein reappears, and no amount of "natural" on the front addresses that. Our chicken-exclusion guide covers how to read a pack for this properly.
If your dog's digestion is the issue
Buy on digestion, not on naturalness. Ingredient count, fat figure and portion size are the levers, and recurring digestive signs need a vet before they need a product. The sensitive-stomach treats guide is the right page for that job.
If you want treats for training
You want small, low-calorie and easy to break, and you want to take the calories off the meal. That is a size and energy-density decision. Many natural-branded treats are dense dried chews, which are the worst possible shape for training.
A Fairer Look at the Options
| Approach | What "natural" means here | Best for | The limitation that matters |
|---|---|---|---|
| Single-ingredient dried meat or fish | Usually accurate, since there is only one ingredient | Owners who want the shortest possible list | Often very high in protein and fat; portion carefully |
| Dried body parts and chews | Accurate, and the least processed option | Chewers, dental interest, long-lasting occupation | Choking and tooth-fracture risk; supervise, and check hardness |
| Baked biscuit treats | Varies enormously; the word does no work here | Everyday rewards, training | Read the whole list, since this is where category words cluster |
| Plant-based treats | Accurate, but says nothing about fibre or fat load | Multi-protein reactors, ethical preference | Some are very high in fibre; check the panel |
| Insect-based treats | Accurate, and unusual enough that owners check properly | Novel-protein feeding, multi-protein reactors | Newer category with fewer long-term feeding studies in dogs |
Some Grub
Our soft-baked treats use insect protein, black soldier fly larvae, as the sole animal protein, with no chicken, beef, dairy or wheat in any of the three recipes.
We could describe them as natural, and it would be as unverifiable coming from us as from anyone else. What we can point to instead is a tested claim, which is the distinction this whole page is about. Dogs fed black soldier fly larvae meal and oil for 28 days at up to 20% inclusion showed no effect on health, weight or blood work, across 56 dogs (Freel and colleagues, 2021). That is a safety and tolerance finding in healthy dogs. It does not say our treats are healthier, and it is not a claim about naturalness.
Chitin, the fibre in an insect's outer shell, resists digestion and reaches the large intestine, where its derived oligosaccharides shift gut bacteria towards Bifidobacterium and Lactobacillus (Alhasyani and colleagues, 2025). No dog clinical trial has tested whether chitin improves gut health, and the review describing the mechanism says so itself. On a page arguing that untested claims are worthless, leaving out our own would be self-refuting.
The other honest limitations. Our treats are complementary, not a complete diet. We have not published third-party species testing of our own products, so the labelling evidence above applies to us as much as to anyone: what we can say is structural, that our recipes contain no meat species at all, which is a design argument rather than a laboratory one. And acceptance with insect protein varies by dog, as it does with any unfamiliar ingredient.
Comparing Two Packs in the Shop
- Ignore the front of both. The name and the adjectives are not part of the comparison.
- Read both ingredient lists and count the named ingredients. Note any category words, which make that pack unverifiable.
- Compare the analytical constituents side by side. Protein, fat and fibre are the only genuinely comparable numbers you have.
- Find the calories per treat, or work out roughly what a piece costs your dog's daily allowance. Treats are conventionally kept to around a tenth of intake.
- Check the form against the job. Training needs small and breakable; occupation needs a chew you are happy to supervise.
Our Verdict
"Natural" is the least useful word on a dog treat pack, not because natural treats are bad but because the word cannot tell you which ones are. It is not defined, not tested, and not comparable between brands, and the evidence shows that even claims you could disprove in a laboratory fail often enough to be worth checking yourself.
Replace it with the requirement underneath. If that requirement is fewer ingredients, count them. If it is avoiding a protein, read for named species. If it is digestion, buy on digestion and see a vet if the signs keep coming back. And do not treat the word as a safety signal in either direction, because some of the most dangerous things a dog can eat are entirely natural.
We make treats we think stand up to that kind of reading. Whether they suit your dog is a decision the ingredient list should make for you, not the front of the bag.
Frequently Asked Questions
Is "natural" a regulated claim on dog treats in the UK?
No. Pet food labelling governs what must be declared, such as the ingredients and the analytical constituents, not which descriptive words may be used. No test stands behind the word.
Are natural dog treats healthier?
There is no basis for saying so as a category, because the word does not describe a consistent set of products. A short, named ingredient list and a sensible portion are what make a treat a reasonable choice, and neither requires the word.
Are natural dog treats hypoallergenic?
No. The two are unrelated. That term is about which proteins a treat contains relative to what your dog has already eaten, and natural says nothing about that. Our page on that term covers what it does and does not mean.
Is organic the same as natural?
No. Organic is a certified scheme with an audited standard behind it, so it does carry information, but it is about how ingredients were farmed rather than what is in the finished treat or whether it suits your dog.
Are dried natural chews safe?
They are food, so the usual rules apply: supervise, match hardness to your dog's teeth, and pick a size they cannot swallow whole. Very hard chews carry a genuine tooth-fracture risk. Being natural is not part of that assessment.
How many treats a day is reasonable?
Conventionally around a tenth of daily intake, with the equivalent taken off meals. The number of treats matters less than the calories in them, which is why calories per treat is worth looking for.
References
- Willis-Mahn C, Remillard R, Tater K. ELISA testing for soy antigens in dry dog foods used in dietary elimination trials. Journal of the American Animal Hospital Association, 2014. https://doi.org/10.5326/JAAHA-MS-6063
- Olivry T, Mueller RS. Critically appraised topic on adverse food reactions of companion animals (5): discrepancies between ingredients and labeling in commercial pet foods. BMC Veterinary Research, 2018. https://doi.org/10.1186/s12917-018-1346-y
- Ricci R, Granato A, Vascellari M, et al. Identification of undeclared sources of animal origin in canine dry foods used in dietary elimination trials. Journal of Animal Physiology and Animal Nutrition, 2013. https://doi.org/10.1111/jpn.12045
- Cortinovis C, Caloni F. Household food items toxic to dogs and cats. Frontiers in Veterinary Science, 2016. https://doi.org/10.3389/fvets.2016.00026
- Wegenast CA, Meadows ID, Anderson RE, et al. Acute kidney injury in dogs following ingestion of cream of tartar and tamarinds and the connection to tartaric acid as the proposed toxic principle in grapes and raisins. Journal of Veterinary Emergency and Critical Care, 2022. https://doi.org/10.1111/vec.13234
- Freel TA, McComb A, Koutsos EA. Digestibility and safety of dry black soldier fly larvae meal and black soldier fly larvae oil in dogs. Journal of Animal Science, 2021. https://doi.org/10.1093/jas/skab047
- Alhasyani M, et al. Harnessing edible insect bioactives for gut health: a comprehensive review on chitin-derived prebiotics. Foods, 2025. https://doi.org/10.3390/foods14213654
our place in this guide
Looking for an insect-protein option?
We make Some Grub, one of the foods compared in this guide. It is a complete adult food that uses dried insect as its declared animal protein. It may suit a dog for whom insect is genuinely novel, but it has not been clinically tested to diagnose or treat food allergy.
See ingredients and feeding details →picked for this page
Where to go next
A useful next step · 20 min read
Dog Treats for Sensitive Stomachs: What Actually Matters
"Sensitive stomach" is a marketing phrase, not a regulated claim. The five things worth checking on a treat label, and when the problem is not food at all.
Read the guide