Each serving of Nordic Omega-3 provides approximately 690 mg of important omega-3 fatty acids, generously fulfilling the daily recommendation by ISSFAL of a minimum of 600 mg per day. Omega-3 fatty acids are essential for good nutrition and overall wellness. Since the body cannot produce these fats, they must be consumed through diet or supplementation. 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.