My menstruation has bee rather erratic these few months. Any health supplement that can regulate the cycle? Or TCM?

My friend didn't came for a year, not pregnant nor breastfeeding, and i intro her to took this, and her mense start coming and she seem to be more radiant and better. Some details to read about the evening primrose oil: http://www.medicalnewstoday.com/articles/263027.php You can get from iherb.com is 1st timer use DQC001 for 1st timer discount! http://m.iherb.com/search?sug=evening%20primrose%20oil&kw=evening%20primrose%20oil If not, the other best option is go to TCM and nurse back ur health with all the tonics.