For centuries, EPO has been used to provide nutritional support for women with premenstrual syndrome (PMS); it may also play a role in promoting smooth, healthy-looking skin. , , These easy-to-swallow softgels are a natural source of GLA (Gamma Linolenic Acid). Our EPO contains one of the most biologically active forms of this Omega-6 fatty acid available today. The EPO used for Puritan's Pride is 100% pure, solvent free, cold pressed and void of hexane and other solvent residues. All three potencies (500 mg, 1000 mg, or 1300 mg) deliver 9% GLA content, which helps to deliver an amount of GLA needed for achieving beneficial results.