Seven seas has been supporting family health since 1935 our carefully crafted pure cod liver oil has been loved by families and passed down through the generations provides a natural source of omega 3 fatty acids including epa and dha research has shown that a daily consumption of 250mg of dha as part of a healthy lifestyle contributes to the maintenance of normal vision and brain function whilst a daily intake of 250mg of both epa and dha can help to support the normal function of the hear