Purity Guaranteed. Formerly Meta EPO. Omega-6 Supplement. Gluten Free. OmegaGenics™ Evening Primrose Oil provides 418 mg of omega-6 fatty acids per softgel from pure evening primrose oil-a natural source of gamma-linoleic-acid (GLA). GLA is a precursor to the prostaglandin E1 series which play an important role in supporting cellular health and maintaining overall good health. . OmegaGenics Evening Primrose Oil is purity guaranteed for reliability you can trust.