Best dog food for kidney disease
Kidney disease in dogs is managed with a specific, usually vet-prescribed renal diet, chosen after blood and urine tests confirm the diagnosis and how advanced it is. This is not a diet to choose on your own without a vet's involvement.
Why this is not a shelf-picking decision
Kidney disease varies enormously in how advanced it is, and the right dietary approach — how much protein, phosphorus and sodium is appropriate — depends on exactly where a dog sits on that scale, which only blood and urine tests can establish. Choosing a renal-style food without that information risks either not helping enough, or restricting a nutrient a dog does not actually need restricted at their current stage.
This is one of the clearer cases where the right food is a medical decision rather than a shopping one. A vet who has run the relevant tests is in a genuinely different position to make that call than anyone reading a bag label at home.
What a renal diet generally involves
Prescription renal diets are typically formulated with reduced, high-quality protein, lower phosphorus, controlled sodium and added omega-3 fatty acids, all aimed at reducing the workload on kidneys that are no longer filtering as effectively as they should. We stock a small number of veterinary-recommended renal diets, including options formulated with hydrolysed protein for dogs who also need an easily digestible recipe, but which one is appropriate for your dog is a question for whoever has seen their test results.
Palatability is a genuine, practical issue with renal diets, since dogs with kidney disease often have a reduced appetite to begin with, and a diet they will not eat helps nobody however well formulated it is. It is worth discussing texture and flavour options with your vet if your dog is reluctant, rather than giving up on the diet change altogether.
What owners can reasonably do alongside the prescribed diet
Fresh water should always be freely available, since dogs with kidney disease often drink more and dehydration makes things worse rather than better. Splitting meals into smaller, more frequent portions can help with a reduced appetite, and warming food slightly can make it more appealing to a dog who has gone off their food.
Avoid adding extra treats, table scraps or supplements without checking with a vet first, since even seemingly harmless additions can undo the careful nutrient balance of a prescribed renal diet. Consistency with the actual prescribed food matters more here than with most other dietary choices.
What we stock
Everything below is in stock with us, priced with delivery worked out, and packed and posted by hand in the UK.
Chicken-Wrapped Milk Stick Dog Treats
Chewy dog treats of soft milk sticks wrapped in real chicken for tasty, protein-rich rewarding.
From£12.99
Dried Catnip & Cat Grass Leaf Treats
A tub of dried catnip and cat grass leaves to sprinkle over toys, scratchers and bedding.
From£8.99
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 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
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
Stop Bloody Scratching Treats Chicken Flavour 90 Tablets
Chicken-flavoured tablets from Pets Calm Down, made in the UK, ninety to a pack, given daily as a treat to support skin and coat condition in itchy dogs.
£22.99
Dreamies Shakeups Seafood Celebrations Cat Treats
Complementary Dreamies Shakeups tuna, salmon and shrimp treats, 55G
£2.05
Common questions
- Can I feed my dog a normal sensitive-stomach food instead of a prescription renal diet?
- Not as a substitute if a vet has specifically recommended a renal diet, since standard sensitive-stomach foods are not formulated for the phosphorus and protein control that kidney disease management needs. Always follow what your vet has advised for your dog's specific stage of disease.
- How do I know if my dog needs a renal diet?
- Only a vet can determine this, using blood and urine tests to assess kidney function. Symptoms like increased thirst, weight loss or reduced appetite are reasons to get your dog checked, not reasons to change their food on your own first.
- Will my dog eat a renal diet if they have a reduced appetite?
- It can be a genuine challenge, and it is worth discussing texture and flavour options with your vet if your dog is reluctant. Smaller, more frequent meals and gently warming the food can also help encourage a dog with a reduced appetite.
- Is it safe to give my dog supplements alongside a renal diet?
- Not without checking first. Renal diets are carefully balanced for a dog's specific stage of kidney disease, and adding extra supplements or treats without veterinary guidance can undo that balance even when the addition seems harmless.
Related
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.