For centuries, women have depended on the reliability of Evening Primrose Oil. EPO is a source of Gamma-Linolenic Acid (GLA – 117 mg per serving), a fatty acid not made in large quantities by the body and not commonly found in food. Popular with women of all ages, EPO is traditionally used to provide nutritional support for women with PMS.* Royal Brittany™ EPO is one of the best products of its kind on the market. The EPO used for Royal Brittany™ is 100% natural, cold-pressed and void of Hexane and all other solvent residue. Royal Brittany™ EPO assures quality, reliability, and purity. 100% Pure Solvent Free. The consistency of potency is guaranteed by assay.