Ultimate Omega®+CoQ10 - Lemon by Nordic Naturals® features purified fish oil with 100 mg CoQ10 per serving. Nordic Naturals blends highly concentrated omega-3 fatty acids and CoQ10 to support optimal health. Every batch of Nordic Naturals fish oils is third-party tested for environmental toxins, including heavy metals, dioxins and PCBs. All fish oils used in Nordic Naturals products surpass the strictest international standards for purity and freshness.