Omega - 3 fish oil refining is one of the key components for a healthy diet containing fatty acids, Eicosapentaenoic Acid (EPA) and Docosahexaenoic acid (DHA). Omega - 3 fish of the accumulated consumption of specific fatty acids of algae and other fish. In fact in more expensive, certain fish, food chain, greater Omega - 3 fatty acid levels. However, these same accumulate toxic levels of mercury can be harmful to the human fish also. As a result, test for purified fish oil supplements, particularly mercury, high, not consume the amount of fish in their diet enough Omega - 3 fatty acids to receive these individuals are increasingly popular. Before explaining the benefits of purified fish oil, fish oil supplements past to to evaluated the information must be stated. Growing interest in particular brand of high levels of mercury and dioxins in polluted fish oil. International fish oil standards was created as a result, verify the processes that remove the fish oil. To remove toxic substances from fish oil below the purification process by reducing their consumption restrictions, then improved.