Canada loves fish oil pills for their health benefits. Best Fish Oil Supplements Canada should be prepared from high-quality, wild-caught fish and purified. EPA and DHA, found in these supplements, boost cardiovascular health, brain function, joint mobility, and overall health. Choose fish oil supplements with high omega-3 fatty acid content, independent purity and efficacy testing, and transparent manufacture. The best fish oil supplement in Canada adds healthy fats to your diet and helps your body run better.