11/01/2026
Joint health deserves more thought than grabbing the supplement with the prettiest label or the biggest list of ingredients.
As a veterinarian, one of the things I want active dog owners to understand is that not all joint supplements have the same level of scientific support.
Glucosamine and chondroitin are popular, but evidence supporting meaningful benefits in dogs is limited and inconsistent.
One area with better evidence for supporting dogs with osteoarthritis is omega-3 fatty acids, particularly EPA and DHA from marine sources like fish oil. These fatty acids have anti-inflammatory properties and can help support joint comfort and mobility in dogs with osteoarthritis.
But here’s something important: dose matters.
The amount of EPA and DHA your dog actually receives matters far more than simply seeing “fish oil” or “omega-3” on the label. Your dog’s weight, health status, diet and individual needs all factor into determining an appropriate dose.
A few things I’d prioritize for joint health, especially in active and sporting dogs:
Keep your dog lean. Excess weight adds unnecessary stress to joints.
Build and maintain muscle through consistent, appropriate conditioning.
Address changes in mobility early rather than waiting for obvious discomfort.
Talk with your veterinarian about whether marine-derived omega-3s make sense for your dog and what dose is appropriate.
I want you investing in your dog’s longevity. I also want you spending your money where the evidence supports it.
Less hype. More health.
Save this before your next trip down the joint supplement aisle.