Salt-free cat food
Genuinely salt-free cat food is rare, because sodium occurs naturally in the meat and fish that make up most cat food, not just as an added seasoning. What owners usually mean by 'salt-free' is a food with no added salt beyond what is naturally present in the ingredients, and recipes like that do exist if you know what to look for on the label.
Why cat food isn't naturally salt-free
Sodium is a component of animal tissue itself, so any meat- or fish-based cat food will contain some natural sodium even before anything is added during manufacturing. This is normal and is not the same concern as added salt, which is included specifically to enhance palatability or as part of a preservation process rather than occurring as part of the base ingredient.
Cats do need a small amount of sodium in their diet as an essential nutrient, so the goal for most owners is not zero sodium, which would not be appropriate, but avoiding unnecessary added salt on top of what the ingredients naturally provide.
Why owners look for lower-salt food
Some owners are advised to manage their cat's sodium intake for specific health reasons, and in that situation, a food with no added salt and a lower overall sodium content, checked against the guaranteed analysis, becomes genuinely important rather than a general preference. Others simply prefer to avoid unnecessary additives across their cat's diet as a matter of general practice.
Whatever the reason, if sodium management matters for your specific cat, this is worth discussing directly with a vet, since the right target depends on your cat's individual situation rather than a single figure that applies to every cat.
How to read the label
Check the ingredients list for added salt or sodium chloride listed as a separate ingredient, which tells you something was added on top of the base ingredients' natural content. Its absence from the ingredients list is the clearest sign of a no-added-salt recipe, more reliable than marketing claims on the front of the packet.
The guaranteed analysis panel, where sodium content is stated as a percentage, lets you compare the actual sodium level between products rather than relying on labelling terms alone, since 'low salt' and similar phrases are not strictly regulated in the way an ingredients list and analysis panel are.
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 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
Purina One Sensitive Cat Turkey
A complete dry food for cats with sensitive digestion, built around turkey
£19.29
One Purina One Light Cat Chicken
A weight-management dry cat food with chicken, 37% protein and reduced fat for cats watching their weight
From£6.65
Simpsons Cat 90 10 Meat Fish
A high-meat dry food for cats, built from 90% animal ingredients across five sources
From£16.45
Common questions
- Is salt actually bad for cats?
- Cats need a small amount of sodium as part of a balanced diet, so salt itself is not inherently harmful in the tiny amounts naturally present in meat and fish. The concern is usually unnecessary added salt on top of that, or sodium management for a cat with a specific health condition, rather than sodium in general.
- Can I find truly zero-sodium cat food?
- No, because sodium is a natural part of the meat and fish that make up cat food, and cats need some sodium as an essential nutrient anyway. What you can find is food with no added salt and a comparatively lower overall sodium content on the analysis panel.
- How do I compare sodium levels between cat food brands?
- Check the guaranteed analysis panel on the back of the packet, where sodium is usually listed as a percentage. This lets you compare products directly, which is more reliable than front-of-pack claims like 'low salt' that are not tightly regulated.
- Should I ask a vet before choosing low-sodium cat food?
- Yes, particularly if you are looking for low sodium because of a specific health concern rather than general preference. A vet can advise on whether sodium restriction is actually appropriate for your cat and to what degree, since managing it incorrectly is not necessarily helpful either.
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.