Good reminders that herbal remedies should be taken with care:

"However, he said, if women choose to use herbal medicines, they should do so cautiously because the quality of these medicines varies, and the safety, especially with long-term use, is uncertain. He said that women should choose only high-quality products from reputable sources and to be sure to inform their health-care providers about their herbal medication use, because many herbal supplements can interact with other treatments."