Dog food for tear stains
Food alone rarely clears tear staining on its own — most staining comes from how tears drain around the eye, not from what's in the bowl — but a small number of dogs do stain less on a diet that avoids certain additives and keeps things simple, so a food change is a reasonable thing to try alongside sorting out the actual cause with your vet, not instead of it.
Alongside your vet’s advice, owners often look at slow feeder dog bowls and enrichment lick mats.
Why tear staining is mostly a drainage issue, not a food issue
The reddish-brown staining you see under a dog's eyes, especially on pale coats, is caused by a pigment in tears called porphyrin, which oxidises to that colour when it sits on wet fur for a while. Dogs stain more when tears overflow onto the face instead of draining normally through the tear ducts and down the throat — which happens more in flat-faced breeds, dogs with shallow eye sockets, or dogs with blocked or narrow tear ducts, ingrown eyelashes, or an eye infection.
That means the most effective fix, in a lot of cases, is addressing the actual cause of the overflow — which is a job for your vet, not a bag of food. Where diet genuinely helps is at the margins: some dogs stain visibly less on a lower-additive, single-protein diet, though the evidence for this is mostly anecdotal rather than proven in controlled studies.
What to look for on a label
If you want to try a dietary change, a food with a single named protein and a shorter ingredient list is the usual starting point, on the theory that fewer additives and colourings means less for the body to process and potentially secrete through the tear film. This is the same logic behind sensitive-stomach and limited-ingredient diets more generally, and it's a reasonable, low-risk thing to try.
Some owners also look for foods without artificial colours and preservatives specifically, on the basis that dyes in food may show up in secretions including tears, though this again is more owner observation than settled science. Whatever you choose, introduce it gradually over a week or so alongside the current food, since a sudden full switch is more likely to cause its own stomach upset than to fix staining any faster.
When it's a vet job, not a food job
See your vet if the staining appears suddenly, is worse on one side than the other, or comes with redness, discharge, squinting or your dog pawing at the eye — those point to an active infection, a blocked tear duct, or something physically irritating the eye, none of which a food change will resolve. A vet can check the tear ducts, look for ingrown eyelashes, and treat an infection directly, which is often the fastest route to actually stopping the staining rather than managing it from the bowl.
It's worth having this looked at rather than assuming it's cosmetic, particularly in breeds prone to eye problems, since some of the underlying causes can affect the dog's comfort even when the staining itself looks like the only symptom.
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.

Pet Eye Wipes for Tear Stains
A tub of 100 gentle eye wipes for cats and dogs that clean away eye gunk and debris and help reduce tear staining around the eyes. Soft and safe for regular use.
£9.99

Pet Eye Tear Stain Remover
A gentle tear-stain remover for cats and dogs. Helps lift unsightly reddish-brown stains and crust from around the eyes, leaving the fur cleaner and brighter with regular use. Apply with a cotton pad.
From£12.99

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

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

James Wellbeloved Grain Free Adult Dry Dog Food Fish Veg
Grain-free fish kibble for adult dogs, with glucosamine and chondroitin included
From£12.75

James Wellbeloved Adult Dry Dog Food Turkey Rice
A hypoallergenic dry food for adult dogs, built around a single source of turkey protein
From£41.45

Burgess Sensitive Adult Dog Turkey
Complete turkey and rice dry food for adult dogs in a 12.5KG bag
£48.89

James Wellbeloved Senior Breed Dry Dog Food Turkey Rice
Turkey and rice kibble for senior small-breed dogs, sized for smaller mouths
From£11.69

Harringtons Lamb & Rice
A 15kg complete dry dog food with lamb and freshly prepared chicken, for dogs from 8 weeks
£45.99

Harringtons Adult Dog Turkey
A complete dry dog food with turkey and freshly prepared chicken, for dogs from 8 weeks
From£13.09

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

Burns Adult/Senior Dog Hypoallergenic Mixer
Hypoallergenic dry mixer for combining with wet food or a home-cooked diet - not a complete food
£13.49
Common questions
- Will changing food definitely stop tear staining?
- Not on its own for most dogs — staining is usually driven by how tears drain, not by diet. Some dogs do stain visibly less on a simpler, single-protein food, so it's worth trying, but it isn't a guaranteed fix and won't help if the underlying cause is a blocked duct or an eye infection.
- Are grain-free diets better for tear stains?
- Not specifically — there's no solid evidence that removing grain alone reduces staining. What tends to matter more is a simpler overall ingredient list and fewer additives, which can come from a grain-inclusive food just as easily as a grain-free one.
- Should I use distilled or filtered water to help with staining?
- Some owners find it helps, on the theory that minerals in tap water contribute to staining, though the evidence is limited. It's a low-cost, low-risk thing to try alongside diet, but it isn't a substitute for having the underlying cause checked by a vet.
- What breeds are most prone to tear staining?
- Flat-faced breeds and those with shallow eye sockets or prominent eyes — like Shih Tzus, Poodles, Bichons and similar small breeds — tend to stain more, largely because their eye shape makes normal tear drainage harder. Pale-coated dogs also simply show the staining more visibly than dark-coated dogs with the same amount of tearing.
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.