Solgar Dong Quai Root Extract is often considered the female Ginseng and is a traditional herb for women. It is used to balance oestrogen levels with the body by binding to oestrogen receptors in cells. Research also suggests that dong quai may regulate uterine function and may be of value in normalising menstruation. It has shown Dong Quai to be an effective pain releaxer. This combined with its muscle-relaxing qualities enhances its benefits in conditions such as menstrual cramps, headache, arthritis, etc.