Salt-free dog food: why some owners look for it
Dogs do need a small amount of sodium in their diet, so true zero-salt food is not really the goal for a healthy dog, and "salt-free" or "low-salt" food is usually about avoiding unnecessary added salt rather than sodium as a nutrient altogether. Owners typically look for this either because a vet has recommended a lower-sodium diet for a specific health reason, or because they simply prefer a plainer, less heavily seasoned recipe.
Why added salt turns up in dog food at all
Salt is sometimes added to commercial dog food as a flavour enhancer, in much smaller amounts than would appear in food made for people, since dogs generally find naturally flavoured meat appealing enough on its own. Some treats and human-style dog snacks contain considerably more added salt than a complete dog food does, which is worth remembering if you are trying to reduce a dog's overall sodium intake rather than just switching the main meal.
Reading the ingredients list for "salt" or "sodium chloride" specifically, rather than assuming a plain-sounding recipe is automatically low in it, is the only reliable way to check.
When a lower-salt diet is actually recommended
Vets sometimes recommend a lower-sodium diet for dogs with certain heart or kidney conditions, where managing sodium intake is part of a wider treatment plan rather than a general health choice. If your dog has been diagnosed with a condition like this, the specific prescription diet or dietary advice from your vet should always take priority over a general "salt-free" label, since therapeutic diets are formulated with far more precision than a standard low-salt recipe.
For a healthy dog with no diagnosed condition, there is no established need to actively seek out salt-free food, though there is also no harm in choosing a plainer recipe if that is simply your preference.
Reading a label properly for salt content
Look at the ingredients list rather than just marketing claims on the front of the pack, since "salt-free" is not a strictly regulated term in the same way some other claims are. A genuinely low-salt recipe will usually list its sodium content, or at minimum not list salt as an added ingredient at all, and a recipe built around named meat and vegetables rather than processed extras tends to be lower in added salt as a natural side effect.
If you are managing your dog's sodium for a specific medical reason, comparing sodium content in milligrams per 100g between products, rather than relying on front-of-pack wording, gives a much more reliable picture.
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
James Wellbeloved Adult Breed Dry Dog Food Turkey Rice
A hypoallergenic dry food for adult dogs, in small and large breed versions, built around single-source turkey protein
From£45.75
Common questions
- Do dogs need salt in their diet?
- Yes, a small amount of sodium is a genuine nutritional requirement for dogs, and complete dog foods are formulated to include an appropriate level. "Salt-free" marketing generally refers to avoiding unnecessary added salt on top of what a food naturally needs, rather than removing sodium entirely.
- Why would a vet recommend a low-salt diet for a dog?
- This is usually recommended for dogs with specific heart or kidney conditions, where managing sodium intake forms part of a wider treatment plan. If your dog has been prescribed a particular diet for a diagnosed condition, that specific diet should take priority over a general low-salt product.
- Is too much salt dangerous for dogs?
- In large amounts, yes, excess salt intake can cause problems, though this is far more of a risk from a dog eating something like a large amount of salty human food than from a normal serving of complete dog food, which is formulated with an appropriate sodium level for dogs.
- How do I check the salt content of dog food?
- Check the ingredients list for salt or sodium chloride as an added ingredient, and where available, compare the sodium content per 100g between products rather than relying on front-of-pack claims, since "salt-free" and "low-salt" are not always strictly defined terms.
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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.