Flaxseed (Linum usitatissimum) While research results are mixed around flaxseed and its ability to reduce menopausal symptoms, there are enough positive findings to support use of this nutrient-rich herb. For many women it has made the difference between comfort and discomfort when it comes to reduction of hot flashes, night sweats, mood swings). Here are three nutrients unique to flaxseed, all of which play a role in supporting good health.