Your body in perimenopause: what is changing, and how to eat steadily through it
Perimenopause can make familiar habits stop working. Rather than another overhaul, here is what is actually shifting and where steady eating helps most.
Many women in their forties notice that the way they have always eaten no longer produces the same results. Weight shifts towards the middle, sleep changes, energy dips in the afternoon and cravings feel stronger. It is easy to conclude that you need to try harder. Usually, you need a different approach.
What is changing
During the menopause transition, oestrogen levels fluctuate and then fall. Long-running research such as the US Study of Women’s Health Across the Nation (SWAN) has shown that fat mass tends to increase and lean mass tends to decrease during this transition, with more fat stored around the abdomen. These changes are common. They are not a personal failure.
Sleep, stress and appetite
Hot flushes and night waking can disrupt sleep, and poor sleep affects the hormones involved in hunger and fullness. Add a busy life and higher stress, and late-afternoon or evening eating can feel much harder to manage. Eating regularly earlier in the day often makes evenings calmer.
Where to focus
- Regular meals: a rhythm of meals and snacks through the day, rather than skipping and catching up at night.
- Protein at each meal to help protect muscle.
- Fibre-rich carbohydrates such as wholegrains, legumes, fruit and vegetables for steadier energy.
- Calcium: the recommended intake for women rises to 1,300 mg a day from age 51, so dairy or calcium-fortified alternatives matter.
- Movement that builds strength, alongside what you enjoy.
Ignore the noise
Menopause has become a large commercial market, and searches for menopause products have grown. Many supplements and “hormone-balancing” plans have little evidence behind them. If symptoms are affecting your quality of life, talk with your GP about medical options, and with a dietitian about eating in a way that fits your body now.
Consistency over overhaul
The most effective changes in this stage of life are usually the least dramatic. A predictable rhythm of eating, built around foods you enjoy, is more protective than any short-term plan.
Steady takeaway: if you usually skip breakfast or eat a very light lunch, add something with protein and fibre to that meal for one week and notice what happens to your evenings.
References
Greendale GA et al. Changes in body composition and weight during the menopause transition. JCI Insight. 2019;4(5):e124865. NHMRC, Nutrient Reference Values – Calcium. Australasian Menopause Society information sheets (menopause.org.au).