Bill Natural Sources® Evening Primrose Oil (EPO) softgels contains a good source of essential fatty acids such as Linoleic acid and Oleic acid. Essential fatty acids are not produced in our bodies, so we must obtain them from either diet or supplements. It also contains the omega-6 fatty acid, Gamma-Linolenic acid (GLA). Our EPO softgels dosage ensures you get 200-300 mg of GLA daily. Bill Natural Sources® Evening Primrose Oil (EPO) softgels contains no preservatives, colour, sugar, flavour, soy, gluten, or dairy products and uses only the highest quality ingredients so you can obtain the most benefits for the maintenance of good health.