Vitamin D in menopause: what it does and does not do

Our verdict: Not recommended at typical low doses for fracture prevention, and not currently recommended for fall prevention either; evidence is insufficient (not proven, not disproven) at higher doses for fractures.

Vitamin D is widely recommended for bone health after menopause, when bone loss accelerates (see our bone health guide). But the most authoritative US guideline on this exact question — the US Preventive Services Task Force (USPSTF) — draws a more careful distinction than most marketing suggests.

What the USPSTF actually concludes

For postmenopausal women, the USPSTF:

• Recommends against daily supplementation with 400 IU or less of vitamin D (combined with 1,000mg or less of calcium) for preventing fractures — a Grade D recommendation, reflecting moderate certainty that this provides no net benefit.
• Concludes the evidence is insufficient (Grade I — not proven, not disproven) to judge the balance of benefits and harms at higher doses.
• Found insufficient evidence to make any recommendation for men or premenopausal women, at any dose.

In plain terms: the low doses commonly found in standard multivitamins and supplements don't show a net fracture-prevention benefit in the research reviewed, and the picture at higher doses simply isn't settled yet — not "proven to work," just "not yet answered." The USPSTF itself notes this topic is under active update, so it's worth checking for a newer statement before treating this as the final word.

What about falls specifically?

This is worth being precise about, because guidance on this has changed over time. The USPSTF's current position is that it recommends against vitamin D supplementation for fall prevention in community-dwelling adults 65 and older. An earlier USPSTF statement (from around 2012) had recommended it for this purpose, but that position has since been superseded — if you've seen "vitamin D prevents falls" cited as current guidance, it's likely referencing that outdated statement.

What this doesn't mean

This verdict is about supplementing vitamin D specifically to prevent fractures. It doesn't address correcting an actual, blood-test-confirmed vitamin D deficiency, which is a different clinical situation with its own, separate rationale for treatment. It's worth discussing your personal vitamin D level and fall risk with your clinician rather than applying this verdict as a blanket rule.

See our companion verdict on calcium, since the two are often considered together, and our bone health after menopause guide for what does have strong evidence (hormone therapy and high-intensity resistance training). Log your current supplements in our private symptom tracker to review with your clinician.