Supplements for menopause: what the evidence supports
An honest review of the supplements marketed for menopause - what has reasonable evidence, what is weak, and what to prioritise instead.
The supplement market is large, largely unregulated, and built on a genuine gap: women who want to do something and have not been offered enough.
In short: Vitamin D and adequate calcium have the clearest role in menopause, primarily for bone health. Evidence for isoflavones and black cohosh on hot flushes is mixed and modest. Most other menopause supplements are poorly evidenced. Supplements do not replace HRT where HRT is indicated.
Reasonable evidence
Vitamin D. UK guidance recommends a daily supplement of 10 micrograms through autumn and winter for everyone, and year-round for people with limited sun exposure. It matters more after menopause because of accelerated bone loss.
Calcium. Target intake through food first - dairy, fortified alternatives, tinned fish with bones, leafy greens. Supplement only if dietary intake is genuinely low, and discuss it with a clinician.
Protein. Not a supplement in the marketing sense, but the nutritional intervention with the most impact. Muscle loss accelerates through the transition, and most women eat well below what is needed to defend it alongside resistance training.
Mixed or modest evidence
Isoflavones (soy, red clover). Some trials show a small reduction in hot flush frequency. Effects are inconsistent, and caution applies for women with hormone-sensitive cancer history.
Black cohosh. Some evidence for vasomotor symptoms, but quality varies and rare cases of liver injury have been reported. Discuss with a clinician before use.
Omega-3. General cardiovascular and possible mood benefit, but not a reliable menopause symptom treatment.
Magnesium. Frequently recommended for sleep and cramps. Evidence is thin, though the risk is low at sensible doses.
Weak evidence
Maca, wild yam creams, evening primrose oil, and most proprietary "menopause blends" have limited or no good trial evidence for symptom relief. Blends often contain sub-therapeutic amounts of several ingredients at a premium price.
What to prioritise instead
If your budget and attention are finite, the order that produces most benefit is: protein and resistance training, sleep, alcohol reduction, then vitamin D. Supplements are the last ten per cent, not the first.
Safety notes
- Supplements interact with medication. St John's wort in particular interacts with many drugs including hormonal contraception.
- Anyone with a history of hormone-sensitive cancer should take advice before using phytoestrogens.
- "Natural" does not mean without effect or without risk.
Common questions
Can supplements replace ? No. Where HRT is indicated and suitable, no supplement matches it for vasomotor symptoms.
Is collagen worth taking? Evidence for skin is modest and for joints limited. Protein intake overall matters more.
Do I need a menopause-specific multivitamin? Usually not. A standard vitamin D supplement plus a good diet covers most needs.
This is information, not medical advice.
Read the perimenopause guide or browse the curated marketplace.