Sakai Evening Primrose Oil is a food supplement in pearl form containing 180 pearls of 710 mg each. Evening primrose oil is primarily used to promote heart health and regulate cholesterol levels in the body. It has also been traditionally used to relieve symptoms of premenstrual syndrome and menopause. This product is a natural source of essential fatty acids, such as linoleic acid and gamma-linolenic acid, which are beneficial to overall health.