Flax Seed-Primrose Oil 1300mg by Source Naturals Inc. 180 Softgel Flax Seed-Primrose Oil provides both omega-6 and omega-3 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 immune system balance sustaining healthy skin and providing nutritional support during women s cycles. Flaxseed oil a rich vegetable source of alpha