Natural Triglyceride Form. Ultra Pure Omega-3 Supplement From 100% Wild Alaskan Salmon. From the fishing villages of Alaska's Kenai Peninsula this exclusive Kenai Wild Alaskan Salmon Oil is the first to deliver purity and freshness levels needed for an effective and great-tasting oil. A gentle purification process removes heavy metals such as arsenic and mercury offering a premium fish oil for a healthy heart brain and mood. . Every batch is third-party tested for environmental toxins including heavy metals dioxins and PCBs. All Nordic Naturals fish oils surpass the strictest international standards for purity and freshness.