This Ester-Omega Fish Oil provides 300mg of total omega-3 fatty acids, comprising of EPA, DHA and other fatty acids. EPA and DHA fatty acids support heart health. Purified to eliminate mercury. Omega-3 Fatty Acids form part of the structure of membranes on every cell in the body. And, Fatty Acids play a role in providing an energy source for the body. Rapid release softgels.