Do menopause supplements actually work?

What's actually in a "menopause supplement"

Shelves at the pharmacy and plenty of online storefronts carry black cohosh, soy isoflavones, red clover, evening primrose oil, dong quai and branded blends of several of these, usually marketed as a gentler alternative to hormone therapy for hot flashes, night sweats and mood swings. Black cohosh is by far the most studied ingredient in the category and the one most blends lean on, which makes it the fairest test of whether menopause supplements, as a group, actually do what the label implies.

The strongest evidence available says it does not beat a placebo

A 2012 Cochrane review by Matthew Leach and Vivienne Moore pooled 16 randomized trials covering 2,027 perimenopausal and postmenopausal women. Across that dataset, black cohosh did not clearly outperform placebo on hot flash frequency or overall symptom scores, and hormone therapy, where it was compared directly, reduced symptoms more than black cohosh did.

"Insufficient evidence to support the use of black cohosh for menopausal symptoms," is how the review's authors put their own conclusion, adding that many of the included trials were of uncertain quality and that data were too limited to say much about quality of life, bone health or cost-effectiveness. That is a Cochrane review, the format medicine generally treats as the closest thing to a final word on a question like this.

The evidence has not settled cleanly since then

It is not a completely closed case. Merck Manuals, last reviewed in July 2025, describes the evidence as genuinely mixed: some trials found a modest benefit over placebo, others found none, and a newer network meta-analysis reportedly found a reduction in vasomotor symptoms compared with placebo specifically in women with an intact uterus. What has not changed is the quality problem. Black cohosh supplements are not standardized the way a prescription drug is, so the amount of active compound in one brand's capsule can differ from another's sold under the same name, which makes it hard to say which, if any, version of the trials' results would carry over to a bottle bought off a shelf today.

What a major medical society recommends instead

The North American Menopause Society's most recent position statement on non-hormone therapy, published in June 2023, is specific about what it does and does not endorse for hot flashes and night sweats. On the recommended side: cognitive behavioral therapy, clinical hypnosis, weight loss for some women, and certain prescription options including low-dose paroxetine and other SSRIs or SNRIs, gabapentin, and the newer drug fezolinetant. On the list of options it explicitly does not recommend: supplements and herbs, soy products, acupuncture, and paced breathing. That is a notably short list of what clears the bar, and supplements did not make it.

That short list is also fairly recent. Low-dose paroxetine, sold as Brisdelle, was the first non-hormonal option the FDA approved specifically for hot flashes, back in 2013, and fezolinetant followed only in 2023 under the brand name Veozah. The gap between those two approvals is roughly how long it took medicine to get a second dedicated prescription option onto the market, which says something about how underserved this area has been, menopause supplements included.

The safety side that doesn't make it onto most labels

Black cohosh carries a safety signal that rarely gets mentioned alongside the marketing: rare but documented cases of serious liver injury, including a small number that led to liver transplant. The US Pharmacopeia has recommended that black cohosh products carry a label warning about this risk, and clinicians generally advise against it for anyone with existing liver disease or who regularly takes other medications that strain the liver, such as acetaminophen. None of this means the ingredient is dangerous for most people who try it, but it is a real, reported risk that the natural-so-it-must-be-safe framing around these products tends to leave out, alongside menopause's own well-documented long haul, which we've covered separately in terms of how long symptoms typically last.

Our take

If hot flashes and night sweats are disrupting your life, the evidence currently points toward cognitive behavioral therapy, clinical hypnosis, or a conversation about prescription options, well ahead of any supplement bottle. If you want to try black cohosh or a blend anyway, treat it as a low-expectation experiment rather than a proven fix, watch for any signs of liver trouble, and tell your doctor what you are taking.

This is general information, not medical advice. Talk to a clinician before changing anything, especially if you are pregnant, nursing, or managing a condition.