Hexane Free Solvent Free 100% Certified Buy 1 Get 1 Free - Free Bottle Enclosed Helps Promote Women's Health 100% Pure Solvent Free 45 mg GLA (9%) Herbal Supplement Laboratory Tested - Guaranteed Quality 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 Brittany 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 Brittany EPO assures quality, reliability, and purity. The consistency of potency is guaranteed by assay.