ALA & GLA Complex. Hypoallergenic. Source Naturals Flaxseed-Primrose Oil provides both omega-3 omega-6 and omega-9 essential fatty acids (EFA's). EFA's act as precursors to molecules such as prostaglandins thromboxanes and leukotrienes which help regulate cellular function. EFA's have been shown to play a role in blood pressure maintenance sustaining healthy skin and providing nutritional support during women's cycles. Flaxseed oil a rich vegetable source of alpha-linolenic acid (ALA) and evening primrose oil a natural source of gamma-linolenic acid (GLA) provide a potent combination of EFA's.