The evidence on soy isoflavones shows a modest reduction in hot flash frequency among peri- and postmenopausal women, with a meta-analysis indicating a maximum reduction of 25%. However, results are mixed, and individual responses can vary significantly, highlighting the need for personalized approaches.
Hot flash frequency/severityPeri-/postmenopausal women · Evidence synthesis / clinical summaryLow
Soy isoflavone supplements or soy protein may reduce hot flashes, but average effect is small & results are not fully consistent.
Hot flash frequency reduction — quantitative meta-analysisPeri-/postmenopausal women · Meta-analysis of RCTsModerate
Model-based meta-analysis of 16 RCTs (~1,710 subjects) found soy isoflavones reduced hot flash frequency by a maximal 25.2% over placebo — a statistically real but modest effect compared to estradiol, with slow onset over several weeks.
Hormonal Balance for Women
Red clover isoflavones & soy isoflavones are combined to support hormonal balance & alleviate menopause symptoms. Both ingredients provide phytoestrogens that can help balance hormone levels & reduce menopause-related symptoms.
Forms & usage▾
Take 50-150 mg of soy isoflavones daily, preferably with food.