Jarrow Evening Primrose is a cold-pressed, hexane-free oil from evening primrose seeds (Oenothera lamarckiana ), a superior source of Gamma-Linolenic Acid (GLA), an important omega-6 fatty acid involved in human metabolism. Each softgel delivers 1,300 mg of evening primrose oil. No wheat, gluten, soybeans, dairy, egg, fish/shellfish, peanuts/tree nuts or sesame.