RESEARCH SNAPSHOT:
St Marys Thistle for decreasing hot flushes Post-Menopause
St Marys Thistle (Silybum marianum) has traditionally used to improve liver and gallbladder conditions. A 2020 randomised double-blind placebo controlled trial of 80 women found that Silybum marianum extract (St Marys Thistle) significantly reduced the frequency and severity of hot flushes in post-menopausal women after 8 weeks. Improvement was seen within the first month, with the positive effect remaining for around 4 weeks after discontinuation. Hot flushes and night sweats have a mean duration of 4.5 years after menopause. The exact mechanism of why this occurs isn’t fully understood but it believed to involve changes to the hypothalamic thermoregulatory system from a reduction in oestrogen. Research into Silybum major constituent silibinin, has found that it may have an effect on Oestrogen receptor B.
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This information is intended for educational purposes only. Please consult a health care provider before pursuing any herbal treatments. Herbs can interact with pharmaceutical medications. References available on request.