Evening Primrose Oil, Hexane-Free Cold-Pressed gamma-Linolenic acid, or GLA, and linoleic acid are essential,polyunsaturated fatty acids. They are used by most cells in the body to produce soothing prostaglandins (intracellular hormone-like messengers), which help maintain the balance of many functions in the body.* 500 mg (GLA Yield: 50 mg) Softgels Option Available: 30, 60, 90, 180 Suggested Use: 3 softgels 1 to 2 times daily. Allergies: Hypoallergenic: contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance.