Ultra Prim Evening Primrose Oil is derived from the highest quality evening primrose (Oenothera biennis) seeds, and extracted by cold pressing (expeller pressing) without the use of hexane or other solvents*. This ultra-purified source of omega-6 essential fatty acids is highly stable and free of preservatives, offering gamma-linolenic acid (GLA) and cis-linoleic acid (LA). Evening primrose oil is an important source of GLA for anyone who wants to increase their intake of this omega-6 essential fatty acid.Benefit Or Uses :Post Menopause Symptoms Relief.Direction For Uses :One capsule daily.Active Ingredients :Evening Primrose Oil , Gamma-linolenic acid , Cis-linoleic acid.How To Storage :room temperature.Made in :USA