Rigorously tested to guarantee oil quality, purity and truth-in-labeling. Hexane free extraction. Hormonal balance. Health From the Sun Organic Evening Primrose Oil 500 naturally supplies the nutritionally important fatty acid Gamma-Linolenic Acid (GLA), which is rarely found in foods. Each easy to swallow soft gel contains 500 mg of cold expeller pressed evening primrose oil from a pure, organic source. Our oil provides 10% GLA (100 mg per serving), a higher level than other evening primrose supplements, to support hormonal balance and healthy skin. (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). Organic Evening Primrose Oil 500 is extracted from the highest quality certified organic evening primrose seeds, without the use of the chemical solvent, hexane.