28 August 2026
Healthy joints play an important role in keeping dogs active, comfortable and able to enjoy their everyday adventures. While joint health can become a bigger consideration as dogs get older, supporting healthy mobility is important throughout a dog’s life.
Genetics, previous injuries, activity levels and age can all influence joint health. Another particularly important factor is body weight. Veterinary guidance consistently recommends keeping dogs at a lean, healthy weight because excess weight places additional strain on joints and can contribute to inflammation.
Nutrition can also play a supporting role. Certain nutrients, particularly omega-3 fatty acids from marine sources, have been studied for their potential to support dogs with osteoarthritis and joint inflammation.
So, which foods contain useful nutrients for joint health, and what should you look for when choosing treats?
A joint is where two or more bones meet. Cartilage helps cushion the ends of the bones, while joint fluid helps everything move smoothly.
With osteoarthritis, cartilage progressively deteriorates, and inflammation and pain can develop within the joint. This can make activities such as walking, running, climbing stairs or getting up after resting more difficult.
There’s no single “joint health food” capable of preventing or treating all joint problems. However, nutrition can form part of a broader approach to maintaining mobility.
The Merck Veterinary Manual notes that EPA-rich diets and supplementation have been shown to improve gait and mobility in dogs with osteoarthritis.
Diet is only one part of the picture. Maintaining a healthy weight, providing appropriate exercise and seeking veterinary care when mobility changes are noticed are also important.
Salmon is naturally rich in the long-chain omega-3 fatty acids EPA and DHA.
These are particularly interesting when it comes to canine joint health because omega-3 fatty acids can help modify inflammatory processes in the body.
Cornell University’s College of Veterinary Medicine says omega-3 fatty acids from fish oil currently have some of the strongest supporting evidence among commonly used joint supplements.
For dogs that can safely eat fish, small amounts of plain, thoroughly cooked salmon may provide beneficial nutrients including protein and omega-3 fats.
Avoid smoked, seasoned or heavily salted salmon, and make sure all bones are removed before offering it to your dog.
Importantly, simply feeding occasional pieces of salmon doesn’t guarantee your dog will receive a therapeutic amount of EPA and DHA. If you’re considering omega-3s specifically for a dog with joint disease, speak to your vet about an appropriate diet or supplement.
Sardines are another oily fish containing EPA and DHA.
If you’re giving sardines as an occasional treat, choose varieties that are plain and free from added seasonings. Products packed in brine or sauces can contain unnecessary salt or other ingredients.
Again, think of sardines as an occasional food rather than a treatment for joint problems.
For dogs requiring targeted omega-3 intake, a veterinarian can help determine an appropriate source and amount. The concentration of EPA and DHA varies considerably between foods and supplements, so more fish oil isn’t automatically better.
Green-lipped mussels are native to New Zealand and have become a common ingredient in canine joint supplements and functional treats.
They naturally contain omega-3 fatty acids and other compounds associated with cartilage and joint health.
Cornell University College of Veterinary Medicine reports that multiple studies have found benefits from green-lipped mussel extracts for dogs with arthritis, while VCA also identifies green-lipped mussel as a nutraceutical with evidence supporting its use in dogs with osteoarthritis.
Rather than feeding mussels specifically for arthritis, you’ll often see green-lipped mussel powder or extract included in purpose-made dog joint chews and supplements.
Plain pumpkin can be a useful addition to some dogs’ diets, particularly because it provides fibre and nutrients while generally being relatively low in calories.
Its relationship with joint health is therefore more indirect than something like fish oil.
Maintaining an appropriate body condition is one of the most important things owners can do for their dog’s joints. Excess body weight increases mechanical stress on joints, while fat tissue also produces inflammatory substances within the body.
Plain cooked pumpkin can therefore be an alternative treat for some dogs when you’re looking for lower-calorie options.
Avoid pumpkin products containing sugar, spices or other added ingredients.
Blueberries contain naturally occurring antioxidants, including compounds known as anthocyanins.
Antioxidants help protect cells against oxidative damage, which is why fruits such as blueberries can form part of a varied diet.
However, it’s important not to overstate their effect on canine joints. There isn’t the same level of veterinary evidence demonstrating a direct joint-health benefit from feeding blueberries as there is for omega-3 fatty acids.
Instead, think of them as a small, nutrient-rich treat that many dogs can enjoy.
Fresh or frozen plain blueberries can be offered in moderation, provided they’re appropriate for your individual dog.
Turmeric — and particularly its active component, curcumin — is frequently promoted for its potential anti-inflammatory properties.
You’ll consequently find turmeric included in some dog joint supplements and functional treats.
However, evidence surrounding many nutraceuticals remains limited, and that includes ingredients commonly promoted as “natural” anti-inflammatory remedies.
Cornell University College of Veterinary Medicine lists turmeric among ingredients commonly found in canine joint supplements but emphasises that supplements vary significantly and owners should consult their veterinarian before beginning supplementary treatment.
Rather than simply adding large quantities of turmeric to your dog’s meals, talk to your vet if you’re interested in a joint supplement containing it.
Bone broth is often marketed as a natural source of collagen and nutrients that support joints.
While plain, dog-safe bone broth can be a tasty way to add moisture and flavour to food, owners should be cautious about claims that bone broth itself can treat arthritis or rebuild damaged cartilage.
If you’re buying bone broth for your dog, check the ingredients carefully. Human varieties can contain high levels of salt or ingredients that aren’t safe for dogs, particularly onion and garlic.
It should therefore be viewed primarily as an occasional food or topper rather than a replacement for veterinary-recommended joint treatments.
Walk down the treat aisle and you’ll likely find plenty of products labelled with terms such as “mobility”, “joint care” or “healthy joints”.
Rather than relying on the wording on the front of the packet, look at the actual ingredients and nutritional information.
Common ingredients in joint-focused treats and supplements include:
The evidence behind these ingredients isn’t equal.
Omega-3 fatty acids, particularly EPA, have some of the strongest evidence. Green-lipped mussel and undenatured type II collagen also have promising supporting evidence.
Glucosamine and chondroitin are extremely common in joint treats, but their effectiveness is less certain. The Merck Veterinary Manual notes that a systematic review and meta-analysis did not find evidence supporting glucosamine and chondroitin for managing osteoarthritis pain in dogs and cats.
That doesn’t necessarily mean every product containing them is useless — many products contain combinations of ingredients — but it demonstrates why it’s worth discussing joint products with your vet rather than choosing them based purely on marketing claims.
There’s another important consideration when choosing treats for joint health: the treat shouldn’t contribute to the problem you’re trying to prevent.
Maintaining a lean body condition is one of the most consistently recommended strategies for supporting dogs with or at risk of joint disease.
The World Small Animal Veterinary Association (WSAVA) recommends that treats make up no more than 10% of a dog’s daily calorie intake, with at least 90% coming from a complete and balanced diet.
The University of California, Davis School of Veterinary Medicine provides the same 10% recommendation and notes that some fruits and vegetables can make suitable lower-calorie treats for many dogs.
So even if a treat contains fish oil, green-lipped mussel or another potentially beneficial ingredient, portion size still matters.
Nutrition can help support your dog’s joints, but it shouldn’t be considered a standalone treatment for joint disease.
Cornell’s veterinary experts recommend a broader approach that includes maintaining a lean body weight, regular appropriate exercise and discussing supplements or treatment with your veterinarian where necessary.
Watch for potential changes in your dog’s mobility, including:
If you notice these changes, particularly if they persist, organise a veterinary examination rather than relying on dietary changes or supplements alone.
Foods such as salmon and sardines can provide omega-3 fatty acids, while ingredients such as green-lipped mussel are increasingly found in purpose-made joint products.
Other dog-friendly foods, including pumpkin and blueberries, can add variety to your dog’s treat options, but their direct benefits for joint disease shouldn’t be overstated.
When it comes to canine joint health, some of the most important nutritional principles are surprisingly simple: feed a complete and balanced diet, keep your dog at a healthy weight, don’t overdo treats, and speak to your vet before introducing supplements intended to provide therapeutic amounts of joint-supporting nutrients.
