Eating through the transition

What changes for body composition

Read this as the food side of the same arc the rest of the site reads. The transition reshapes body composition before it reshapes scale weight; the SWAN cohort isolated this carefully, and the rate of fat-mass gain doubles at the start of the window while lean mass declines. [1] The studies that follow large cohorts also describe a shift in where the fat sits — more centrally, more abdominally — and the cardiometabolic signals that travel with that shift. [3] Diet is not the only lever, but it is the one most reliably under your hand.

Three threads of the literature are mature enough to write about with confidence for a woman in this window: the Mediterranean dietary pattern as the most consistently studied template, the dose–response between fibre intake and glycaemic markers, and the protein-distribution case for maintaining lean mass. [4][5][7] Each carries a different kind of evidence behind it — a primary-prevention trial, a WHO-commissioned meta-analytic series, a position paper of geriatric and nutrition societies. The shape that emerges across them is consistent enough to summarise on one page.

What the research examines

One nutrient on this page carries direct GB-authorised health claims: chromium contributes to the maintenance of normal blood glucose levels and to normal macronutrient metabolism. [9] The dietary patterns the trial literature converges on — Mediterranean, fibre at the SACN 30 g/day reference value, protein distributed across the day — sit upstream of the supplement question. We card chromium and a women-specific foundation multinutrient as authorised-claim recommendations, and cinnamon as a research-context note (no UK authorised claim, but recurs in the trial conversation around glycaemic markers).

Research findings

1. Body composition shifts measurably across the menopause transition, independent of chronological aging.

   The SWAN longitudinal cohort tracked women through the final menstrual period and found the rate of fat-mass gain doubled at the start of the transition while lean mass declined. Total body weight climbed linearly across premenopause without an additional acceleration, which means the transition shows up as a change in composition rather than a change in scale weight alone.

   Source: JCI Insight · 2019 · Greendale et al. · SWAN longitudinal cohort, repeated DXA

2. Higher dietary fibre intake is associated with lower glycaemic markers and a more favourable cardiometabolic profile in women.

   The Reynolds 2019 series of systematic reviews and meta-analyses (commissioned by WHO) examined 185 prospective studies and 58 trials. Higher fibre intake — 25–29 g/day in the dose-response range — tracked with favourable glycaemic and cardiometabolic outcomes across the included cohorts. UK SACN guidance for adults sits at 30 g/day.

   Source: The Lancet · 2019 · Reynolds et al. · Meta-analysis: 185 cohorts, 58 trials

3. Mediterranean dietary patterns show the most consistent cardiometabolic signal in women’s nutrition trials.

   The PREDIMED primary-prevention trial randomised 7,447 adults to a Mediterranean diet supplemented with extra-virgin olive oil or nuts, against a low-fat control, and reported a reduced incidence of major cardiovascular events. Subsequent narrative reviews of nutrition in menopausal women converge on the Mediterranean pattern as the dietary template most consistently associated with a favourable body-composition and blood-pressure profile.

   Source: NEJM · 2018 · Estruch et al. (PREDIMED reanalysis) · n = 7,447, multicentre RCT

4. Chromium contributes to the maintenance of normal blood glucose levels and to normal macronutrient metabolism.

   Two GB-authorised health claims apply to chromium at source-of-chromium intake levels. Picolinate is the form most frequently examined in the trial literature; meta-analyses of chromium supplementation in trial populations with elevated glycaemic markers report modest reductions in HbA1c and fasting glucose, with picolinate carrying the strongest signal in subgroup analysis.

   Source: GB NHC register · J Clin Pharm Ther 2014 · Suksomboon et al. · Meta-analysis: 25 RCTs, n = 1,690

Evidence at a glance: dietary patterns and nutrients

Reader questions

Does perimenopause itself cause weight gain, or is it just age?

The honest answer the SWAN cohort settled is: it’s both, and the two pieces are separable. Total body weight climbs linearly across the years before the final menstrual period, and that climb tracks chronological aging. What changes at the transition is the composition of the weight — fat mass accumulation accelerates and lean mass declines, with the steepest two-year window straddling the final period. The practical translation: scale weight is a poor read on what’s happening. Waist measurement and a sense of how clothes fit carry more information through this window than the number on the scale.

What dietary pattern does the research most consistently support for women in the transition?

The Mediterranean pattern is the one the trial literature returns to. The PREDIMED primary-prevention trial is the largest randomised evidence base — extra-virgin olive oil or nuts, plenty of vegetables, legumes, fish, and whole grains, with red meat and ultra-processed foods low. Narrative reviews of nutrition in menopausal women converge on the same pattern. The reasoning is not one ingredient; it is the combination of fibre, monounsaturated fats, and lower glycaemic load that the studies examine together.

How much protein does the research suggest for women in this window?

The PROT-AGE position paper recommends 1.0–1.2 g protein per kg body weight per day for adults over 65 to help maintain lean mass, and 1.2 g/kg or higher for those exercising. Trial data on women specifically through the menopausal transition is thinner than the older-adults base, but the direction of the evidence supports the upper end of the range — particularly distributed across the day rather than concentrated at one meal. For an average UK woman of 65–70 kg, that lands around 80–100 g daily.

Will a supplement fix what diet doesn’t?

No, and the page is written carefully around this. Dietary patterns work because of the combination — fibre, protein, monounsaturated fats, and low glycaemic load operating together. A supplement can contribute where there is an authorised claim and a defensible dose; it cannot substitute for the pattern. Chromium is included on this page because it has two GB-authorised claims and a defensible research base. Cinnamon is included as research context, without benefit claims, because the open trial data is mixed.

Why Solgar specifically? Are you the Solgar site?

We are not. HerStack is published by Suggestic, a digital nutrition company. We picked Solgar UK as the reference brand for three reasons set out in our formulation criteria: bioavailable forms across most of the range, transparent dosing on the labels, and third-party testing on the supplements we recommend. Where Solgar’s formulation does not meet our criteria, we say so on the page and link to alternatives.

How often is this article updated?

We review each cluster page against new evidence quarterly, and update the page header date when we make a substantive change. The recommendation rationale below carries its own last-reviewed date so you can see when the formulation reasoning was last checked.

Recommendations: three reference picks with formulation reasoning

Each entry carries the form chosen, the rationale, the authorised claim text, and the Amazon.co.uk link. The dietary pattern is the headline; the supplements sit beneath it. Affiliate disclosure: HerStack is a participant in the Amazon EU Associates Programme.

1. Solgar Chromium Picolinate 200 mcg Vegetable Capsules

   Form: Chromium · Picolinate

   Rationale: Picolinate is the form the trial literature most frequently examines. At 200 mcg the capsule clears the source-of-chromium threshold by a wide margin, which is the conditional that brings the GB-authorised wording into scope. Solgar's range also includes a 500 mcg version on the same line for readers wanting a higher dose.

   Authorised claim: Chromium contributes to the maintenance of normal blood glucose levels and to normal macronutrient metabolism.

   Price: £15.75 · Tag: Reference pick

   Link: https://www.amazon.co.uk/dp/B00020IC4O?tag=herstack-21

2. Solgar Formula VM-Prime for Women Tablets - Pack of 90

   Form: Multinutrient · 35+ women foundation

   Rationale: A women-specific multinutrient designed for the 35+ demographic, sitting as the foundation tier under the dietary pattern itself. Authorised claims attach to individual constituents — B-complex contribution to normal energy-yielding metabolism, magnesium contribution to normal psychological function, iron contribution to reduction of tiredness and fatigue. We card this as the foundation rather than the headline because the dietary pattern is the headline.

   Authorised claim: Iron contributes to the reduction of tiredness and fatigue. B vitamins contribute to normal energy-yielding metabolism. (Authorised claims apply to individual nutrients in the formulation; check the current Solgar UK label for exact dosing per nutrient.)

   Price: £35.95 · Tag: Foundation tier

   Link: https://www.amazon.co.uk/dp/B00XO2FWEK?tag=herstack-21

3. Solgar Cinnamon Vegetable Capsules

   Form: Cinnamon · Research-context only

   Rationale: Cinnamon does not currently carry a UK authorised health claim. We include this card because cinnamon recurs in the research conversation around glycaemic markers — most recently in a 2023 network meta-analysis where cinnamon, alongside curcumin and fenugreek, showed a statistically significant fasting-glucose effect against placebo. We describe the ingredient and the formulation; we do not make benefit claims.

   Authorised claim: Research-context only. No UK authorised health claim for cinnamon.

   Price: £18.50 · Tag: Research-context

   Link: https://www.amazon.co.uk/dp/B000CQ0UZW?tag=herstack-21

The dietary pattern is the headline on this page; supplements sit beneath it, not above it. Chromium and the multinutrient carry GB-authorised claims and a defensible research base; cinnamon is research-context only — we describe the trial signal without making benefit statements. See gap policy at herstack.co.uk/about.

What to look for in a brand: three criteria

1. Chromium form on the label. Picolinate is the form the trial literature most frequently examines. Picolinate, polynicotinate, chloride, and yeast-bound forms are not interchangeable in the research; brands that publish the form, not just “chromium 200 mcg”, are the ones whose dose maps to the trial work.
2. Multinutrient demographic targeting. Women-specific multinutrients formulated for the 35+ demographic typically lower iron compared to younger formulations and add nutrients with strong authorised claims relevant to this window — magnesium, B-complex, vitamin D. Read the constituent label rather than the front-of-pack.
3. Research-context honesty. For ingredients without UK authorised claims (cinnamon is the example on this page), the only defensible move is to describe the research and decline to make benefit statements. Any brand that builds marketing on top of a no-authorised-claim ingredient is doing something the GB register specifically forbids.

Citations

1. Greendale GA, Sternfeld B, Huang M, et al. Changes in body composition and weight during the menopause transition. JCI Insight, 2019;4(5):e124865. PMID 30843880
2. Karvonen-Gutierrez C, Kim C. Association of mid-life changes in body size, body composition and obesity status with the menopausal transition. Healthcare (Basel), 2016;4(3):42. PMID 27417630
3. Nasr A, Matthews K, Janssen I, et al. Associations of abdominal and cardiovascular adipose tissue depots with HDL metrics in midlife women: the SWAN Study. Journal of Clinical Endocrinology & Metabolism, 2022;107(6):e2245-e2257. PMID 35298649
4. Reynolds A, Mann J, Cummings J, et al. Carbohydrate quality and human health: a series of systematic reviews and meta-analyses. Lancet, 2019;393(10170):434-445. (WHO-commissioned; 185 cohorts and 58 trials.) PMID 30638909
5. Estruch R, Ros E, Salas-Salvadó J, et al. Primary prevention of cardiovascular disease with a Mediterranean diet supplemented with extra-virgin olive oil or nuts. New England Journal of Medicine, 2018;378(25):e34. (PREDIMED reanalysis, n=7,447.) PMID 29897866
6. Silva TR, Oppermann K, Reis FM, Spritzer PM. Nutrition in menopausal women: a narrative review. Nutrients, 2021;13(7):2149. PMID 34201460
7. Bauer J, Biolo G, Cederholm T, et al. Evidence-based recommendations for optimal dietary protein intake in older people: a position paper from the PROT-AGE Study Group. Journal of the American Medical Directors Association, 2013;14(8):542-559. PMID 23867520
8. Kuo YY, Chang HY, Huang YC, Liu CW. Effect of whey protein supplementation in postmenopausal women: a systematic review and meta-analysis. Nutrients, 2022;14(19):4210. PMID 36235862
9. GB Nutrition & Health Claims register / Commission Regulation (EU) No 432/2012 (retained). Chromium — contribution to normal macronutrient metabolism and to the maintenance of normal blood glucose levels. gov.uk/health-claims
10. Suksomboon N, Poolsup N, Yuwanakorn A. Systematic review and meta-analysis of the efficacy and safety of chromium supplementation in diabetes. Journal of Clinical Pharmacy and Therapeutics, 2014;39(3):292-306. (25 RCTs, n=1,690; mean HbA1c reduction −0.55%.) PMID 24635480
11. Yin RV, Phung OJ. Effect of chromium supplementation on glycated hemoglobin and fasting plasma glucose in patients with diabetes mellitus. Nutrition Journal, 2015;14:14. PMID 25971249
12. Kumar S, Sharma SK, Mudgal SK, et al. Comparative effectiveness of six herbs in the management of glycemic status of type 2 diabetes mellitus patients: a systematic review and network meta-analysis of randomized controlled trials. Diabetes & Metabolic Syndrome, 2023;17(8):102826. (Cited as research-context only — no UK authorised health claim for cinnamon.) PMID 37451111
13. Scientific Advisory Committee on Nutrition (SACN). Carbohydrates and Health. The Stationery Office, London, 2015 — UK 30 g/day dietary fibre reference value for adults 16+. gov.uk full PDF
14. NIH Office of Dietary Supplements. Chromium — Health Professional Fact Sheet. National Institutes of Health, retained 2024. ods.od.nih.gov/Chromium