Description evening primrose oil is a rich natural source of the unsaturated omega 6 essential fatty acid gamma linolenic acid gla each natures aid evening primrose oil capsule contains premium quality cold pressed epo with a minimum 10 gla of the fatty acid content store in a dry and cool place keep out of reach of children warning should be avoided by persons taking blood thinning products not recommended for people with temporal lobe epilepsy probably best avoided during pregnanc