Although there are no daily intakes currently recommended, EPA and DHA are fundamental components of human nutrition and affect biological processes during every stage of life. A sufficient and steady supply of omega-3s is an absolute requirement for normal development of humans that begins in pregnancy.
The health benefits of EPA and DHA boil down to a few simple concepts. First and foremost, EPA and DHA are absolutely essential for basic cellular health. EPA and DHA are required constituents of every cell membrane from head to toe. As constituents of cell membranes, EPA and DHA are major determinants of how well cells work.