What is the best natural / herbal solution for hot flashes?

Herbal options: Black cohosh is an herb which may be beneficial for hot flashes, but which should be avoided if there is liver illness. The lignans in flaxseed and flaxseed oil may help night sweats/ to obtain the most benefit from flaxseed oil, it should be cold grinded. The plant Estrogens in red clover may be helpful with mild menopausal symptoms but may be contraindicated in a woman with either breast >>.