Flaxseed Dims Hot Flashes in Postmenopausal Women

A daily dose of crushed flaxseed halved hot flashes in postmenopausal women who did not want to take estrogen, according to a pilot study.

The weak estrogenic properties in flaxseed seem to be the most likely mechanism of the plant's effectiveness, Dr. Pruthi said.

Considered a phytoestrogen, fiber-rich flaxseed is a rich source of lignans and omega-3 fatty acids. Lignans have antioxidant properties and are thought to have estrogen agonist and antagonist properties, such as those in selective estrogen receptor modulators, such as tamoxifen, they said.

Research findings also suggest that dietary lignans have some cancer-protective effects. Therefore, Dr. Pruthi said, flaxseed is an interesting agent to study for managing vasomotor symptoms.

Statistically significant improvements were reported for mood, joint or muscle pain, chills, and sweating. Quality of life improved, and the women reported less anger, anxiety, and fatigue on the Self-Assessment Scale.

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