Synopsis

Source of validity: Scientific
Rating (out of 5): 2

Flax fiber, derived from the seeds of the flax plant (Linum usitatissimum), is often discussed in the context of menopause due to its high content of lignans—plant compounds that have weak estrogenic activity. Some scientific studies suggest that these phytoestrogens may help alleviate certain menopausal symptoms, such as hot flashes. However, the overall quality of evidence is limited and mixed. Several small randomized controlled trials and observational studies have reported modest reductions in hot flashes among menopausal women consuming flaxseed products compared to placebo, while others have found no significant benefit. The variability in results may be due to differences in study design, dosage, and the form of flax used (whole seed, ground, oil, or fiber). Systematic reviews and meta-analyses generally conclude that while flaxseed is safe and potentially beneficial for overall health due to its fiber and omega-3 content, the evidence supporting its use specifically for menopause symptom relief is inconclusive and not robust. There is also little evidence to support flax fiber’s effects on other menopause-related issues such as bone health or mood. Therefore, while flax fiber is sometimes recommended as a natural remedy for menopause, its use is justified only by limited scientific evidence and should not replace established therapies. Women considering flax fiber for menopausal symptoms should consult healthcare professionals.

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