Metagenics OmegaGenics Evening Primrose Oil is a dietary supplement for prostaglandin balance and cell membrane health support. This blend offers omega-6 fatty acids from pure evening primrose oil which is a natural source of gamma-linoleic-acid (GLA), a precursor to the prostaglandin E1 series. This has an important role in cellular health support. Recommended use: Take one softgel three to six times daily or as directed by a healthcare professional.