The present invention relates to docosahexaenoic acid or eicosapentaenoic acid or DHA-derived EPA characterized in that said docosahexaenoic acid or eicosapentaenoic acid or DHA-derived EPA is incorporated into a monoglyceride, diglyceride, triglyceride, or phospholipid, and in that said docosahexaenoic acid or eicosapentaenoic acid or DHA-derived EPA is found in a percentage by weight between 20 and 100% in relation to the total fatty acids, for use in the treatment of a pathology associated with cellular oxidative damage.