High protein cat food
Cats are obligate carnivores, meaning they rely on animal protein in a way dogs and people do not, so a higher-protein recipe often suits their biology well — but 'high protein' is best checked on the analytical panel rather than taken on trust from the front of the packet. Below is how to read it properly, and where our higher-protein dry and wet foods sit.
You might also want to browse drinking fountains for cats and healthy cat treats.
Why protein matters more for cats specifically
Unlike dogs, cats cannot make certain amino acids, such as taurine, in sufficient quantity themselves and rely on getting them from animal-based protein in their diet. This is a genuine biological difference, not a marketing angle, and it is part of why cat food and dog food are not interchangeable despite looking similar on a shelf.
A cat-appropriate complete food should already account for this in its formulation, whatever the protein percentage says on the front. The analytical panel is where you check that the actual number backs up the claim, rather than assuming a bag marked 'high protein' automatically delivers meaningfully more than a standard recipe.
How to read the analytical panel
Crude protein is given as a percentage on the analytical constituents panel, and comparing that number between dry foods, or between wet foods, is more useful than comparing dry against wet directly, since wet food's higher moisture content changes how the percentage reads on a like-for-like basis.
It also helps to check where that protein is coming from — a named meat or fish near the top of the ingredients list is a better sign than a high percentage built on a vague mix of animal derivatives, since protein quality and source matter as much as the raw number.
Who a higher-protein food suits, and who should be cautious
An active adult cat with no kidney concerns is generally well suited to a higher-protein diet, which aligns with what a cat would naturally eat as an obligate carnivore. Kittens also have higher protein needs to support growth, so many higher-protein foods are formulated with that life stage in mind.
Cats with diagnosed kidney disease are often managed on a different, controlled-protein diet on veterinary advice, so a high-protein food is not automatically the right choice for every cat regardless of health status. If your cat has a known kidney or health condition, check with your vet before changing their diet.
What we stock
Everything below is in stock with us, priced with delivery worked out, and packed and posted by hand in the UK.

Purina One High Protein Salmon Dry Cat Food
A 40% protein dry cat food led by salmon, though it still contains chicken protein
£6.19

Purina One High Protein Chicken Dry Cat Food
A 40% protein dry cat food, chicken-based, with a separate feeding guide for neutered cats
£6.19

PawHut XL Stainless Steel Open Litter Box with High Sides and Metal Scoop
A 60cm open stainless steel litter tray with 14.7cm high sides to stop scatter, a non-stick surface that resists odour, and a steel scoop that stores on the side.
£71.99

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

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

James Wellbeloved Grain Free Adult Dry Cat Food Turkey
A grain-free turkey dry food for adult cats, with potato rather than rice or wheat for carbohydrate
£24.65

James Wellbeloved Kitten Dry Cat Food Fish
Single-protein fish dry food for growing kittens, excluding common allergens
£21.79

James Wellbeloved Senior Dry Cat Food Turkey
A single-source turkey dry food for senior cats, formulated with added joint-care ingredients
From£21.79

James Wellbeloved Light Adult Dry Cat Food Fish
A lower-calorie fish dry food for adult cats managing their weight, with joint-support ingredients
£24.65

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

Whiskas 7+ Chicken Adult Dry Cat Food
Complete chicken dry food for senior cats aged 7+ in an 800G bag
£6.09

Purina One Kitten Chicken
Chicken kitten food with added DHA, and a feeding guide from 6 weeks to a year
From£6.65
Common questions
- Do all cats need high protein cat food?
- Most healthy adult cats do well on a diet with a meaningful protein content, reflecting their status as obligate carnivores, but cats with certain health conditions, particularly kidney disease, are often managed on a different diet under veterinary guidance. It is not a one-size-fits-all choice.
- Is high protein cat food the same as grain-free?
- No, they are separate things. Grain-free describes the carbohydrate source used in the recipe, while protein content is a separate figure on the analytical panel — a food can be grain-free without being especially high in protein, or high in protein while still containing grains.
- Can kittens eat high protein cat food?
- Many kitten foods are formulated with a higher protein content specifically to support growth, so a food labelled for kittens is often already a higher-protein recipe. Check that any food given to a kitten is labelled complete for growth or all life stages rather than for adult maintenance.
- Is more protein always better for a cat?
- Not automatically. What matters is that the protein is well sourced and appropriate to your cat's life stage and health status, since cats with certain conditions, such as kidney disease, may need a controlled rather than high protein intake. Speak to your vet if your cat has a diagnosed health condition before changing their food.
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.