From the FDA: "Supportive but not conclusive research shows that consumption of EPA and DHA omega-3 fatty acids may reduce the risk of coronary heart disease."This natural fish oil concentrate is manufactured under strict quality control standards. It is tested to be free of potentially harmful levels of contaminants such as PCBs, dioxins, mercury and other heavy metals. We ship most of the orders within the Handling Time specified. However, please make a note that we do not ship on Saturdays and Sundays. We will always keep your informed if we anticipate any kind of delay in your order. VitaGen is NOT responsible for any and all packages detained/impounded/or returned to us by the country’s respective Customs Department. It is the FULL responsibility of the customer.