purest grade omega 6 oil with 9 guaranteed gla with 83 nrv for vitamin e for added freshness easytoswallow oneaday capsules click here to read more about pricing for qualityb1257classfbrand important evening primrose oil is one of the few natural sources of the omega6 fatty acid gammalinolenic acid gla many women choose to take this oil around the time of their period or when entering the menopause our highstrength puregrade evening primrose oil 1000mg remains a popular choice because it guarantees a consistent gammalinolenic acid gla level while delivering fantastic value each easytoswallow oneaday capsule ensures at least 9 gla our evening primrose oil 1000mg supplies 83 nutrient reference value nrv of vitamin e which helps to support the freshness and stability of the oil we use a gentle extraction process that involves gently crushing the evening primrose seeds to remove their coat washing them with highly purified water and foodgrade citric acid and using a low temperature to remo…