Medically reviewed by Melissa Nieves, LND Evening primrose has been studied for conditions related to menstruation and ...

Some research suggests evening primrose oil may have a positive effect on menopause-related hot flashes, but other studies suggest no effect. Speak with your doctor before trying it for their advice.

Examples include soybeans, B vitamins, evening primrose oil, and dong quai. Estrogen and progesterone are two major sex hormones in the human body. Estrogen is responsible for sex characteristics ...

Evening primrose oil is perhaps the best-known treatment ... A supplement containing magnesium, essential fatty acids, calcium and vitamin B6 may also help. Many women who suffer heavy periods ...