For centuries, women of all ages have depended on the reliability of Evening Primrose Oil. EPO contains one of the richest sources of Gamma-Linolenic Acid GLA - 45 mg per serving, a fatty acid not commonly found in food.* Popular with women of all ages, EPO helps provide nutritional support for women with PMS.* Royal Brittanys EPO is the best product of its kind on the market. The EPO used for Royal Brittany is 100% natural, cold pressed and is void of Hexane and all other solvent residue. Royal Brittanys EPO assures quality, reliability, and purity.