Eicosapentaenoic acid (EPA) is a long-chain omega-3 fatty acid found predominantly in marine sources, such as fish oil. For dogs, EPA is recognized for its anti-inflammatory properties, which can help manage conditions like arthritis and support heart health. It plays a role in cellular function and can contribute to maintaining a healthy weight, which is vital for longevity. As dogs age, oxidative stress and inflammation can increase, making the inclusion of beneficial compounds like EPA even more significant in their diet. Research has shown that EPA can influence various biological processes in dogs, including immune response, skin health, and cognitive function. These benefits are particularly important for older dogs, who may experience a decline in these areas. By incorporating EPA into a dog’s diet, owners can potentially enhance their pet's quality of life and promote a healthier lifespan. It’s always advisable to consult with a veterinarian before making dietary changes, especially when exploring new supplements for longevity.