DescriptionEvening Primrose Oil 1000mg Capsules contain Evening Primrose Oil (EPO), which is a rich natural source of Gamma Linolenic Acid (GLA). This nutrient (GLA) is essential for the production of Prostaglandins. Prostaglandins help keep the body metabolism running smoothly and efficiently. EPO from HealthAid?,?with added Vitamin E,?is cold pressed and hermetically sealed in a soft capsule to maintain freshness and purity.