In a high-potency 1000mg capsule - Evening Primrose's special property is the oil in its seeds, which contains GLA, (Gamma-Linolenic Acid) an Essential Fatty Acid (EFA).
Just Vitamins Evening Primrose Oil 1000mg provides 9% GLA - 85mg - together with 10mg of antioxidant Vitamin E.Internationally, Evening Primrose Oil is one of the biggest selling food supplements. If you are looking for higher levels of GLA then you should consider Just Vitamins Starflower Oil, as it contains 20% GLA.