Cat food without sugar
Cats have no biological need for sugar and, unlike people, cannot taste sweetness at all, so any sugar in a cat food or treat is there for a reason other than the cat asking for it — usually palatability, texture or shelf life in a gravy or sauce. Checking the ingredients list for added sugars, rather than trusting front-of-pack marketing, is the reliable way to avoid it.
Why sugar turns up in cat food and treats
Most complete cat foods, wet or dry, carry very little added sugar, since a cat's diet is built around protein and fat rather than carbohydrate. Where sugar does show up, it is more often in treats, sauces and gravies, where it helps with texture, browning or shelf stability rather than nutrition.
Because cats cannot detect sweetness the way people and dogs can, sugar in cat food is not there to make it taste better to the cat specifically — it is more of a manufacturing ingredient than a flavour one.
How to check a label
Look past the marketing on the front of the pack and check the ingredients list itself for sugar, glucose syrup, molasses or similar terms. Ingredients are listed by weight, so anything appearing near the end of a short list is present in only a small amount.
A wet food in jelly or gravy is not automatically higher in sugar than a dry kibble — it depends entirely on the specific recipe, so this is a case where reading the actual list matters more than assuming based on the format.
When it matters more
A cat with diabetes or a vet-prescribed diet needs sugar and carbohydrate levels managed carefully, and that should be done under veterinary guidance with a food chosen specifically for that purpose rather than by eye from a general ingredients list.
For a healthy cat, small amounts of sugar in an occasional treat are unlikely to cause harm, but it is not adding anything useful either, so choosing a lower-sugar option where two products are otherwise similar is a reasonable default.
Weight is the other practical reason to keep an eye on it: unnecessary sugar and refined carbohydrate adds calories without adding anything a cat's body actually needs, and that matters more for a cat who is already carrying extra weight than for a lean, active one.
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.

Whiskas 1+ Salmon Adult Dry Cat Food
Complete salmon dry food for adult cats in a practical 1.9KG bag
£12.39

Whiskas 1+ Lamb Adult Dry Cat Food
Complete lamb dry food for adult cats in a practical 1.9KG bag
£12.39

Whiskas 1 Tuna Adult Dry Cat Food
Complete tuna dry food for adult cats, offered in several bag sizes
From£3.19

Whiskas Kitten Chicken Dry Cat Food
Complete chicken dry food for kittens, available in several bag sizes
From£3.19

Whiskas 1 Chicken Adult Dry Cat Food
A complete dry food for cats 1+, with chicken present only in the brown kibbles
From£3.19

Whiskas 7+ Senior Cat Complete Dry with Chicken
Complete chicken dry food for senior cats aged 7+ in a 1.9KG bag
£12.39

Catit Nibbly Jerky Chicken & Fish Treats
Soft chicken and fish jerky treats for cats, two named meats high on the list, grain free
£1.89

Catit Creamy Tuna Treats 4 Pk
Lickable 26% tuna purée tubes for cats, 4 x 10g, up to 3 a day in place of main meal
£1.89

Catit Creamy Chicken Treats 4 Pk
Lickable chicken cat treats, 4 tubes, for treating or as a food topper
£1.89

Dreamies Meaty Sticks Adult Cat Treats with Tasty Chicken
Soft meaty stick treats for adult cats with chicken, individually wrapped, not for kittens
£1.59

Dreamies Meaty Sticks Adult Cat Treats with Scrumptious Salmon
Soft meaty stick treats for adult cats with salmon, individually wrapped, not for kittens
£1.59

Dreamies Creamy Adult Cat & Kitten Treats with Scrumptious Salmon
Creamy lickable salmon treats for cats and kittens, in a 40g pack with taurine
£1.59
Common questions
- Can cats taste sugar?
- No, cats lack the taste receptors needed to detect sweetness, unlike dogs and people. Any sugar in a cat food or treat is there for manufacturing reasons such as texture or shelf life rather than to appeal to the cat's sense of taste.
- Is sugar bad for cats?
- In the small amounts typically found in cat food, it is unlikely to cause harm to a healthy cat. Regular high intake could contribute to weight gain or dental issues over time, the same as with any unnecessary calorie source, so it is sensible to avoid rather than essential.
- Do wet cat foods contain more sugar than dry food?
- Not necessarily — it depends entirely on the specific recipe rather than the format. Some gravies and sauces used in wet food do carry added sugar for texture, but plenty of wet foods do not, so check the ingredients list rather than assuming by format.
- Should a diabetic cat avoid all sugar in food?
- A cat with diabetes needs their diet managed under veterinary guidance, usually with a specific prescription or veterinary-recommended food rather than simply avoiding sugar on the label. Speak to your vet about the right diet for a diabetic cat rather than making changes alone.
- Are cat treats usually higher in sugar than main meals?
- Some are, since sugar or syrup can be used to bind or coat a treat, but this varies a lot by product, so checking the specific treat's own ingredients list is more reliable than assuming every treat carries more sugar than a main meal would.
Related
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.