Lamberts® supplies a wide range of Evening Primrose supplements and this is one of our most popular. Each capsule provides a high quality oil specially selected for its purity and consistent GLA level, and each capsule also provides the full RDA of vitamin E. Daily intake 1-3 Capsules. Encapsulated With: Capsule Shell (Gelatin, Glycerin). Allergen Advice The following list of allergens are excluded: Wheat, Gluten, Barley, Soya, Eggs, Milk and milk products, Lactose, Nuts, Sulphites, Celery, Fish, Shellfish and Yeast.Cautions Evening Primrose Oil should only be given to Epileptics (temporal lobe) under medical supervision.