... Extracted/Refined 3. GLA 9%,9.5%,10% Evening Primrose Oil Evening primrose originates from Mexico and Central America, now grows ... arrhythmia, etc.European Pharmacopoeia (EP) (in the 5th version).Evening Primrose oil is an essential nutritional supplement for women to ... .Its superb efficacy for women’s beauty and health makes evening primrose oil the favorite of food, pharmaceutical, cosmetics and ...