The combination of Evening Primrose Oil plus Star Flower Oil in Nature's Way delivers 50% more of the important active ingredient GLA (Gamma Linolenic Acid), compared to a similar sized EPO capsule*. Each capsule has a guarenteed level of 160mg of the active component GLA. This important fatty acid can only be produced by the body in small amounts. Low levels of GLA have been found in women with PMS. The GLA is known to help your body produce beneficial prostagladin, which can assist in balancing a women's hormonal system. The benefits- PMS - Help relieve the symptoms of Pre-Menstrul Syndrome (PMS), characterised by symptoms such as tender breasts, mild anxiety, mild irritability.- Eczema/dry skin - The important omega-6 fatty acid may help to support healthy skin and skin hydration beneficial for the relief of mild eczema and dry skin conditions. - Complexion - Helps benefit the complexion of both men and women.- Arthritic Pain - Helps assist in temporary relief of mild osteoarthritic pain.- General Health - Provides important fatty acids and can assist general health and wellbeing. *compared to Nature's Way Evening Primrose 1000mg