Health Aid Evening Primrose Oil supplement is an excellent source of GLA. This is a oily nutrient that has been found to be of some use for relieveing the symptoms of PMS. Evening Primrose Oil is commonly taken for pre-menstrual problems, including tension, abdominal bloating & other symptoms of PMS. This is a high strength formulation which is combined with Vitamin E for its antioxidant properties. Free from stach, yeast, corn, Gluten, Soya, Wheat & Dairy Products