Because hot flashes are caused by a lack of estrogen in your system, it makes sense that if you can replace the estrogen your body is losing with a suitable substitute, you can alleviate hot flashes.  We often hear HRT or hormone replacement therapy for menopause treatment; unfortunately there are scientific studies that conclude HRT to cause harmful side effects.  Because of this herbal remedies are your best option.  And many herbal hot flash remedies help your body to stimulate estrogen.  When you take an herbal remedy for hot flashes, you should also try to increase the benefits of the supplement by participating in a healthy lifestyle.