At what age should I switch my dog to senior food?

There is no fixed age — it depends on your individual dog's activity level, weight and any health conditions rather than a birthday. Many owners consider it somewhere from seven years old, but this is worth discussing with your vet.

Is senior dog food lower in protein?

Not always — it varies by brand. Some senior recipes reduce protein slightly, though whether a healthy older dog actually needs less protein is genuinely debated. Others keep protein levels similar to an adult food and rely on quality instead.

Does senior wet food really have fewer calories?

Often, but not always — check the actual calorie content on the label rather than assuming the word 'senior' guarantees it, since this varies meaningfully between brands and products.

Do all senior dogs need a senior food?

No. An older dog who remains active and at a healthy weight may do perfectly well on a regular adult food. A senior label is most useful for a dog who has slowed down or is prone to gaining weight.

What does 'complete' mean on a dog food label?

It means the food is formulated to meet all of a dog's nutritional needs on its own, without anything else needing to be added. A 'complementary' food, by contrast, is meant to be fed alongside something else rather than as a whole meal.

Senior wet dog food — what to look for

A 'senior' wet dog food is not a strictly defined category — it usually means a lower calorie density than an adult formula and sometimes added joint support, rather than a food built around a different set of core nutrients entirely. Knowing what actually changes on the label helps you judge a senior food on its contents rather than the word on the front.

What genuinely changes in a senior recipe

Calorie density is the most consistent change. Older dogs are typically less active than they were as younger adults, and a senior food formulated with fewer calories per can helps manage weight without needing to feed a noticeably smaller portion of exactly the same food.

Protein levels vary more by brand than by any fixed rule for senior dogs — some formulate slightly lower protein on the traditional assumption that it eases pressure on ageing kidneys, while others keep protein levels similar to an adult food and rely on quality and digestibility instead. Which approach suits your dog is worth discussing with your vet rather than assuming from the word 'senior' alone.

Added joint support ingredients, most often glucosamine and chondroitin, turn up in a lot of senior recipes given how common stiffness becomes with age, though the amounts included in a complete food are generally modest compared with a dedicated joint supplement.

Reading the label properly

Check whether the food is labelled complete or complementary — a complete food is designed to meet all of a dog's nutritional needs on its own, while a complementary one is meant to be fed alongside something else. A senior label does not change this distinction, and it is worth checking regardless of age.

Look at the actual calorie content per can or pouch rather than assuming 'senior' automatically means lower calories — labelling varies enough between brands that it is worth comparing the figure itself if weight management matters for your dog.

The ingredients list still matters as much as it does at any life stage. A named protein source near the top of the list and a formulation that suits any known sensitivities are worth checking regardless of what the front of the pack calls the food.

Reading the guaranteed analysis and ingredients list on the back of the pack tells you far more about whether a food suits your dog than any marketing claim on the front, whatever the price point.

When a senior label matters, and when it doesn't

A senior food is most worth considering for a dog who has slowed down, is prone to gaining weight, or has known joint stiffness, since the lower calorie density and added joint support are aimed squarely at those situations, and reading the guaranteed analysis panel on the back tells you more than the marketing on the front ever will.

It matters less for an older dog who remains active and at a healthy weight — in that case, a regular adult food that suits their individual needs may be entirely appropriate, and age on its own is not a reason to switch.

What we stock

Everything below is in stock with us, priced with delivery worked out, and packed and posted by hand in the UK.

James Wellbeloved Senior Wet Dog Food Turkey, Lamb & Chicken 12 Pack

A 12-pack of hypoallergenic wet food for senior dogs, in turkey, lamb and chicken recipes

£29.15

James Wellbeloved Grain Free Senior Wet Dog Food Turkey, Lamb & Chicken 12 Pack

Grain-free senior wet food in 400g tins, three recipes, complete and balanced

£36.39

James Wellbeloved Senior Wet Dog Food Turkey and Rice in Gravy Pouch 12 Pack

Turkey and rice wet pouches for senior dogs, a single protein with added glucosamine

£10.59

James Wellbeloved Grain Free Adult Wet Dog Food Turkey, Lamb & Chicken in Loaf 12 Pack

Grain-free wet dog food tins, a 12-tin multipack across three loaf flavours

£36.39

Pedigree Wet Dog Food Pouches Chicken in Jelly 3 Pack

Complete Pedigree adult chicken pouches in jelly with a daily feeding table

£2.05

Applaws Taste Toppers Wet Dog Food Chicken Breast in Broth — 12 x 156g Tins

Sold as a case: 12 x 156g tins. Chicken breast wet dog food topper in broth, for dogs from 3 months, 156G

£25.09

Pedigree Adult Wet Dog Food Pouches Mixed in Gravy Mega Pack 40 Pack

A 40-pouch mixed multipack of wet dog food in gravy, across four recipes

£16.89

Applaws Taste Toppers Wet Dog Food Variety Selection in Broth 6pk

Chicken, beef and tuna in broth with whole vegetables, in 85g pouches

£8.79

Applaws Taste Toppers Wet Puppy Food Chicken Breast in Broth Multipack

Shredded chicken breast in broth, fed as a topper over a puppy's complete food

£14.99

Applaws Taste Toppers Wet Dog Food Chicken Gravy Selection Pouches 24pk

Four chicken gravy recipes in 85g pouches, served over a complete dry food

£34.99

Bakers 7+ Senior Dog Superfood Chicken with Vegetables

A complete dry food for dogs aged 7 and over, with meaty chunks and wholegrains

£39.15

Burns Adult/Senior Dog Original Lamb and Brown Rice

Single-source lamb and brown rice, formulated for adult and senior dogs with sensitivities

£35.99

Browse all of Dogs →

Common questions

At what age should I switch my dog to senior food?: There is no fixed age — it depends on your individual dog's activity level, weight and any health conditions rather than a birthday. Many owners consider it somewhere from seven years old, but this is worth discussing with your vet.
Is senior dog food lower in protein?: Not always — it varies by brand. Some senior recipes reduce protein slightly, though whether a healthy older dog actually needs less protein is genuinely debated. Others keep protein levels similar to an adult food and rely on quality instead.
Does senior wet food really have fewer calories?: Often, but not always — check the actual calorie content on the label rather than assuming the word 'senior' guarantees it, since this varies meaningfully between brands and products.
Do all senior dogs need a senior food?: No. An older dog who remains active and at a healthy weight may do perfectly well on a regular adult food. A senior label is most useful for a dog who has slowed down or is prone to gaining weight.
What does 'complete' mean on a dog food label?: It means the food is formulated to meet all of a dog's nutritional needs on its own, without anything else needing to be added. A 'complementary' food, by contrast, is meant to be fed alongside something else rather than as a whole meal.

Sources

Written against guidance published by UK veterinary and welfare organisations. Always confirm specifics with your own vet.

PDSA — Pet Health Hub

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.