Nature's Way Evening Primrose Oil Max Strength contains the highest quality oil guaranteed to contain 120mg of gamma-linolenic acid per serving. Cold pressed and unrefined, Evening Primrose Oil contains important Omega-6 fatty acids. At Nature's Way, we believe nature knows best. That's why our mission is to seek out the best herbs the earth has to give. It's the way we deliver uncompromising quality and help you live healthier. Compared to 500 mg dosage. *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.*This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.