Dog food for dogs with heart disease
There is no single dog food that treats heart disease, and a dog who has been diagnosed needs a diet chosen with their vet, not picked off a shelf. Diet does matter for many heart conditions - sodium content in particular is often managed carefully - but what suits one dog's stage and type of heart disease can be wrong for another's, which is why this is a vet-led decision rather than a shopping one.
Why this isn't a do-it-yourself diet change
Heart disease covers a wide range of conditions with very different management needs, from an early, symptomless murmur being monitored to advanced congestive heart failure needing active management. What is appropriate nutritionally can differ substantially between those stages, and between the underlying cause, which is something only your vet can assess properly.
Many dogs with a formal heart disease diagnosis end up on a therapeutic diet only available through a vet, formulated and tested specifically for reduced sodium and particular nutrient balances. That is a different category of food from anything sold on general retail shelves, ours included, and it is not something to substitute with a regular food and hope for the same effect.
What vets commonly look at
Sodium restriction is one of the most consistently discussed dietary factors in canine heart disease, since excess sodium can contribute to fluid retention, which is a central problem in heart failure. Maintaining a healthy body weight also matters a great deal - both underweight and overweight dogs with heart disease tend to do less well than dogs at a stable, appropriate weight.
Some conditions bring in other specific nutritional considerations, including particular amino acids or omega-3 fatty acids that your vet may recommend based on your dog's exact diagnosis. None of this is something to guess at from general information - what applies to one heart condition may not apply to another, and getting it wrong is not a neutral choice.
What we can honestly offer
Veterinary prescription cardiac diets are supplied directly through veterinary practices rather than general pet shops, because they are formulated and monitored as part of ongoing treatment. What we carry are standard complete adult dog foods, and if your vet has simply advised keeping sodium moderate as a general precaution rather than prescribing a therapeutic diet, checking the sodium content on a food's analytical panel is a reasonable thing to do.
If your dog has an active heart disease diagnosis, the honest answer is to follow your vet's specific dietary advice rather than to choose from a general range based on this or any other general information page. This page exists to explain what is being managed and why, not to replace that conversation.
Signs worth mentioning to your vet
A persistent cough, tiring more easily on walks than usual, a swollen abdomen, or breathing that looks laboured or faster than normal at rest are all worth raising with your vet promptly rather than waiting for a routine check-up. None of these on their own confirms heart disease, but they are the kind of change worth having looked at rather than monitored from home.
If your dog is already diagnosed and on a therapeutic diet or medication, sudden changes in appetite, breathing or energy are worth a call to your vet the same day rather than waiting, since heart conditions can change quickly and dietary or medication adjustments are sometimes needed.
Foods formulated for this
Everything below is in stock with us, priced with delivery worked out, and packed and posted by hand in the UK.
Forthglade Cold Pressed Natural Turkey
Cold-pressed turkey kibble for dogs from 2 months, soft enough to mix with water for young pups
£45.99
Forthglade Cold Pressed Grain Free Salmon
Cold-pressed grain-free dry food for dogs, built on fresh and dried salmon
From£16.99
Forthglade Cold Pressed Grain Free Duck
Cold-pressed grain-free duck food with fruit and botanicals, in two bag sizes
From£16.99
Forthglade Cold Pressed Grain Free Chicken
Cold-pressed grain-free chicken food with fruit and botanicals, in three bag sizes
From£16.99
Forthglade Complete Meal Lightly Baked Turkey
A lightly baked complete dry food, 50% turkey, for adult dogs of any breed
From£12.49
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
Forthglade Cold Pressed Small Dog Turkey
Cold-pressed grain-free dry food for small dogs and puppies, built on turkey
£16.99
Forthglade Complete Meal Lightly Baked Lamb
A lightly baked complete dry food, 50% lamb, for adult dogs of any breed
From£12.49
Forthglade Cold Pressed Grain Free Turkey
Grain-free cold-pressed turkey kibble for dogs, gentle on sensitive stomachs
£69.69
Forthglade British Classics Chicken Family Lunch
Complete Forthglade wet dog food with 75% chicken in a 395G tray
£2.45
Harringtons Puppy Turkey & Rice
Complete turkey puppy food with 30% protein and feeding bands by adult weight
£6.49
Harringtons Adult Dog Turkey Veg
Complete dry food for adult dogs with turkey, chicken and salmon oil, 21% protein
From£3.39
Common questions
- Can changing my dog's food cure heart disease?
- No. Diet can support the management of some heart conditions alongside veterinary treatment, but it does not cure heart disease, and no food sold generally, ours included, is a substitute for a vet's diagnosis and treatment plan. Always follow your vet's specific advice for your dog's diagnosis.
- Do you sell prescription heart diets for dogs?
- No. Veterinary prescription cardiac diets are supplied directly through veterinary practices as part of ongoing monitored treatment, not through general pet shops. If your dog has been prescribed one, your vet's practice is the right place to get it, and we would rather say that plainly than suggest a general food as a substitute.
- Is low-sodium dog food always better for heart health?
- Not automatically for every dog - sodium restriction is relevant to many heart conditions but the right level depends on the specific diagnosis and stage, which is why it is managed by a vet rather than chosen generally. Healthy dogs do not need a restricted-sodium diet, and an undiagnosed dog switching for this reason alone should check with their vet first.
- What are early signs of heart problems in dogs I should watch for?
- A persistent cough, reduced exercise tolerance, unusually fast or laboured breathing at rest, or a swollen abdomen are all worth mentioning to your vet. None of these confirms heart disease on its own, but they are changes worth having checked rather than waiting to see if they pass.
Sources
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.