What is total cod liver oil total cod liver oil 1000mg is a high quality source of omega 3 and its active fatty acids epa eicosapentaenoic acid and dha docosahexaenoic acid why use total cod liver oil cod liver oil is a rich source of epa eicosapentaenoic acid and dha docosahexaenoic acid providing a total omega 3 content of 237mg per softgel these long chain fatty acids have been shown to provide a number of health benefits including the maintenance of normal heart function an