LUPRINN® contains the dry extract of hop cones which has a beneficial effect to menopausal symptoms. Active ingredient of the product has been obtained from the extract of hop cones, 8-prenylnaringenin is the most potent phytoestrogen showing the pronounced estrogen activity and it has structural similarities and its profile of action is similar to female sex hormones the lack of which in menopause is compensated by using the product LUPRINN®