A study published in Nature Medicine on 22 September 2026 has identified a group of blood proteins that rise during the menopause transition and are linked to poorer memory and a higher risk of Alzheimer's disease decades later. Researchers at the University of California, San Francisco measured 118 brain-health proteins in blood samples from 80 women aged 43 to 58 at different stages of menopause, then checked which proteins tracked more closely with hormone changes than with age alone. They validated a set of 16 proteins, including markers of inflammation and of Alzheimer's-related biology, in more than 2,800 women from the UK Biobank, then tested the link to later outcomes in four further cohorts of women in their sixties and seventies. Women with the highest levels of these proteins in midlife went on to show worse memory and a 15% higher risk of developing Alzheimer's disease in these older cohorts.
What the researchers found and did not find
Proteins linked to inflammation rose as the hormone estradiol fell, while a separate group of Alzheimer's-related proteins rose as follicle-stimulating hormone increased, tracking more closely with menopause stage than with chronological age. The researchers describe the findings as correlational: the study cannot say whether these protein changes cause later brain changes, or are a marker of a process driven by something else, such as ageing itself, since a smaller sample of midlife men showed a similar pattern. The discovery group of 80 women is small, the design was cross-sectional, and menopause symptoms were self-reported. The team says it wants to develop the 16-protein panel into a routine clinical blood test, similar to a midlife cholesterol check.
What this means for your supplement routine
This is a laboratory biomarker finding, not a recommendation about diet, hormone therapy or any supplement, and the researchers make no such claim about any of those. It adds to evidence that the menopause transition itself, not age alone, is worth attention in long-term brain health research, alongside already-established factors such as sleep quality and cardiovascular health. It does not tell an individual woman what her own risk is, since the panel is a research finding, not yet an available test. Anyone reviewing what they already spend on general health and wellness products can compare current prices across the health and wellness collection rather than assuming their usual shop is cheapest.
How Perqen members save
Perqen members pay £4.99 a month or £29.99 a year for member pricing across the full 1,393-product catalogue, rather than a markup built into the shelf price. Details of how membership pricing works, including the break-even point against a typical monthly order, are on the membership page.
This article reports published news and research and is for information only. Food supplements are not a substitute for a varied diet or medical care, and no product mentioned is intended to diagnose, treat, cure or prevent any disease. Speak to your GP or pharmacist before changing what you take, especially if you are pregnant, breastfeeding, or taking prescribed medicines.