Guides
Evidence-led guides
Her Vitals's guides take the questions UK women ask most about supplements and life-stage health and answer them in plain English, with every figure tied to a named primary source such as the NHS, NICE or EFSA. They explain what the evidence supports, what the advertising rules let a supplement claim, and when to see a clinician instead. This is information, not medical advice.
Perimenopause and menopause supplements: what the evidence supports
What actually changes nutritionally, which categories have a credible role, what the rules let a supplement claim, and when to see a GP rather than reach for a pill.
Supplements in pregnancy and when trying to conceive: the NHS essentials
The two supplements the NHS specifically advises, the one vitamin to avoid, and how to read a prenatal label without being sold things you do not need.
Vitamin D for women through the year: how much, when and why
Why the NHS advises a daily 10 microgram supplement in autumn and winter, who should take it all year, and how to compare products in micrograms and IU.
Magnesium for women: forms, evidence and what the claims really mean
How much women need, which EFSA roles are authorised, how the common forms differ on tolerance and absorption, and where the marketing runs ahead of the evidence.
Where to go next
For quotable figures see our UK women's health statistics, price a product by its active ingredient with our free supplement tools, or read the life-stage hubs from trying to conceive to menopause.
This is information, not medical advice, and is not a substitute for a registered clinician. Always read product labels and speak to your GP or pharmacist before starting a supplement.
Editor, Her Vitals
Oliver leads Her Vitals's editorial coverage of women's life-stage health and supplements. He curates and reviews existing branded products across trying to conceive, pregnancy, postnatal, perimenopause, menopause and the senior years, weighing what the evidence supports against guidance from bodies such as EFSA, the NHS and NICE, and is clear that the content is information rather than medical advice.
Last reviewed: 12 June 2026