Maplelife Evening Primrose Oil 500mg 90softgels, obtained from the seed oil of Oenothera biennis, contains substantial levels of Omega-6 fatty acids, which are required by the body to regulate a number of activities including insulin utilization, heart function, and mood. Since the body does not produce Omega-6 fatty acids, they must be ingested through proper diet or supplementations. In addition to Omega-6 fatty acids, Evening Primrose Oil contains gamma-linolenic acid, which is the active ingredient. Evening primrose oil has been used for inflammatory conditions including both rheumatoid arthritis and asthma. Evening primrose oil may also help to relieve pre-menstrual syndrome (PMS), symptoms of menopause, and breast pain due to hormonal changes during menstruation. Medicinal Ingredients: (per softgel) Evening Primrose Oil 500 mg - Gamma-linoleic Acid 50 mg - Cis-linoleic Acid 360 mg Take 2 softgels 3 times per day or as directed by a health care professional.