Best Proven Joint Supplement for Dogs: EPA & DHA

For a dog with osteoarthritis, a veterinary-formulated omega-3 supplement that provides EPA and DHA is one of the better-supported nutritional choices for joint comfort and mobility. There is no single best supplement for every dog, though: the right choice depends on your dog’s diagnosis, diet, weight, other medications, and whether pain treatment is also needed.

When you compare products, focus on the amount of EPA and DHA rather than the total amount of “fish oil,” since those are the omega-3s you and your veterinarian need to account for. Glucosamine and chondroitin are common joint-product ingredients, but we would not choose a product solely because it contains them or assume a longer ingredient list will work better.

Ask your veterinarian to confirm the cause of stiffness before starting a supplement, especially if your dog is limping, reluctant to get up, or suddenly less active; an injury or another condition may need treatment. Bring the product label and your dog’s current food and medication list so your veterinarian can advise on an appropriate EPA/DHA amount and flag concerns such as added calories, digestive upset, a history of pancreatitis, or medicines that affect bleeding.

Check the product’s listed specifications when evaluating how can you choose and use one safely.

A supplement works best as one part of a care plan that may include weight management, appropriate low-impact exercise, and veterinarian-recommended pain relief. Our team created The Guide to Smarter Pet Supplements to help you approach supplement choices thoughtfully, but your dog’s treatment plan should be tailored to their needs.

Check the product’s listed specifications when evaluating what else helps a dog with sore joints.