Lamberts Evening Primrose Oil products are rigorously tested to ensure that the GLA level is consistent and that the amount we claim on the labels is the minimum amount present in the capsule. This product is ideal for those who prefer a smaller capsule size. One Capsule of Lamberts Evening Primrose Oil provides: Vitamin E 10mg Evening Primrose Oil 500mg Gamma Linolenic Acid (GLA) 45mg Other Ingredients:Encapsulated with: Capsule Shell (Modified Starch, Glycerol, Gelling Agent: Carageenan, Acidity Regulator: Disodium Phosphate).Directions:1 to 4 Capsules daily with a meal.Caution:If you suffer from epilepsy, consult your doctor before taking this product.