Formulated to support a healthy mood, Ultimate Omega also promotes optimal heart health, and supports other organs such as the liver and prostate. All Nordic Naturals fish oils surpass all pharmaceutical standards for freshness and purity. Every batch is third-party tested, showing no detected levels of heavy metals, dioxins or PCBs. Ultimate Omega contains 70% purified omega-3 fatty acids, providing an exceptional concentration of EPA and DHA in one delicious serving.