The Vitamin Shop Omega-3 - 500 mg - Made from cold-water anchovy, sardine and/or mackerel oils, which are two of the best natural sources of EPA and DHA, the long chain omega-3 fatty acids eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). This fish oil blend supplies 300 mg of EPA and 200 mg of DHA per softgel. Fats are integral factors in the maintenance of health. Many diets lack essential fatty acids (EFAs), polyunsaturated fats with countless benefits for the cardiovascular, nervous, and musculoskeletal systems, as well as hormone production and cellular repair. They are “essential” because, although the body cannot make them, they are vital to health.