Holland & Barrett Cold Pressed Natural Evening Primrose Oil Capsules 1300mg plus Vitamin B6 provides the fatty acids Linoleic Acid (LA) and Gamma Linoleic Acid (GLA) within the body Linoleic Acid is metabolised to GLA, which is essential for the production of certain hormone-like substances called prostaglandins. Please consult a medical professional if you are taking any other medication before using this dietary supplement. Use this product before the indicated expiry date