Dog food with no added sugar
Most complete dog foods do not need added sugar at all, and plenty of recipes, particularly plainer, single-protein options, genuinely carry none. Where sugar does appear, it is usually in cheaper wet foods or treats to improve palatability, and it shows up on the ingredients list under names like sugar, glucose syrup, or molasses rather than always being labelled plainly as "sugar".
You might also want to browse bowls that slow fast eaters down and lick mats for frozen treats.
Why some dog foods contain added sugar
Sugar is sometimes added to lower-cost wet foods and treats to make them more palatable, encouraging a dog to eat a recipe that might otherwise be less appealing, and it can also act as a preservative or binder in some treat formulations. It offers a dog no real nutritional benefit either way.
A dog does not need any dietary sugar at all, unlike some nutrients where a complete food has to include a certain amount. Its presence in a recipe is a formulation choice rather than a nutritional requirement being met.
How to spot it on the label
Check the ingredients list for "sugar" listed directly, as well as less obvious names including glucose syrup, molasses, corn syrup, and sucrose, all of which are forms of added sugar even though the word itself does not appear. These can be found in some treats and lower-cost wet foods more often than in premium dry kibble.
A short, simple ingredients list built around named proteins, vegetables and grains or a grain alternative is generally a good sign that a food has not been formulated with added sweeteners, though checking the actual list rather than assuming from price or branding alone is always the reliable approach.
What to choose instead
A good-quality complete dry or wet food with a straightforward, named-ingredient list rarely needs added sugar to be palatable, since a well-formulated recipe with real meat content is naturally appealing to most dogs without it.
For treats specifically, look for options built from a single named meat or fish with nothing else added, which sidesteps the question of added sugar entirely, and check any treat marketed as "natural" against its actual ingredients list rather than assuming the word rules out sugar.
Without it, and in stock
Everything below is in stock with us, priced with delivery worked out, and packed and posted by hand in the UK.

Alpha Sensitive Salmon & Rice
A salmon and rice dry food for adult dogs with sensitive digestions, made without wheat gluten, soya or dairy.
£49.00

Alpha Working Dog Maintenance Chicken
An energy-controlled chicken dry food for working dogs with lower energy needs or a tendency to put on weight.
£29.00

James Wellbeloved Grain Free Senior Dry Dog Food Turkey & Veg
Grain-free turkey kibble for senior dogs, with glucosamine and chondroitin for joints
£82.35

Harringtons Just 6 Dry Dog Food Lamb
Grain-free lamb dry dog food in 2KG and 12KG sizes, with size-specific formulas
From£13.99

Forthglade Complete Meal Lightly Baked Chicken
A grain-free complete dry food for adult dogs, lightly baked and built on 50% chicken
From£12.49

Bakers Superfoods Chicken with Vegetables Dry Dog Food
Bakers Chicken with Vegetables dry dog food, 14kg, complete nutrition for adult dogs
£39.15

Harringtons Adult Dog Salmon & Potato
Complete salmon and potato dry dog food with 21% protein in a 1.7KG bag
£6.25

Forthglade Cold Pressed Grain Free Chicken
Cold-pressed grain-free chicken food with fruit and botanicals, in three bag sizes
From£16.99

Burgess Supadog Adult Complete Dog Active
Complete dry food for active adult dogs, built around poultry meal and calcium for bone health
£29.15

James Wellbeloved Grain Free Adult Dry Dog Food Turkey Veg
Grain-free turkey kibble for adult dogs, evenly balanced with potato in the mix
From£12.75

Forthglade Cold Pressed Small Dog Turkey
Cold-pressed grain-free dry food for small dogs and puppies, built on turkey
£16.99
Common questions
- Is sugar in dog food dangerous?
- Occasional small amounts are unlikely to cause serious harm to a healthy dog, but regular added sugar offers no nutritional benefit and can contribute to weight gain and dental problems over time, which is why many owners prefer to avoid it where they can.
- Can sugar in dog food cause diabetes?
- Diet is one of several factors in a dog's risk of diabetes, alongside genetics, breed and overall weight, but a diet regularly high in added sugar and calories generally is not helpful for a dog already at higher risk. Speak to your vet about diet if your dog has, or is at risk of, diabetes.
- Why does my dog's treat list glucose syrup instead of sugar?
- Glucose syrup, molasses and corn syrup are all forms of added sugar listed under different names. Checking the full ingredients list rather than looking only for the word "sugar" is the reliable way to spot them.
- Do grain-free dog foods contain less sugar?
- Not necessarily. Being grain-free says nothing about added sugar specifically, since sugar can be present or absent in both grain-inclusive and grain-free recipes. Checking the ingredients list directly is the only reliable way to know.
- Are fruit-based dog treats a sugar-free alternative?
- Fresh fruit given in small amounts contains natural sugars rather than added sugar, and moderate portions are generally fine for most healthy dogs. It is not the same as a treat with sugar or syrup added during manufacturing, but fruit still should not be given in large or frequent amounts.
Related
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Written against guidance published by UK veterinary and welfare organisations. Always confirm specifics with your own vet.
Written by Matt Garnett, who runs Giddy Pets and is a lifelong pet owner — not a vet. This is general information, not veterinary advice, and it cannot replace an examination by the vet who knows your animal. How we write these guides.
