Hot flash remedies: Estrogen may be the best answer

What doesn't work for hot flashes: Flaxseed:: Researchers at the Mayo Clinic created some excitement in 2007 when they reported that flaxseed, which also contains plant estrogen, helped reduce hot flashes in a small study. A few months ago, they reported on a larger follow-up study. Bottom line: it didn’t work and caused bloating, diarrhea and nausea.