Protein in perimenopause: how much, and why it matters
As oestrogen declines, protecting muscle becomes a priority. Aim for around 1.2 g of protein per kg of body weight — here's how to hit it without overhauling your life.
Why protein needs rise
Through perimenopause, declining oestrogen accelerates the natural loss of muscle and bone that comes with age. Muscle isn’t just about strength — it supports metabolism, blood-sugar handling, and staying capable and independent later in life. Getting enough protein is one of the most effective ways to protect it.
The target: about 1.2 g per kg
Evidence on protein and muscle in mid-life points to roughly 1.2 g of protein per kilogram of body weight per day — higher than the basic RDA, which was set to prevent deficiency rather than to preserve muscle as we age. For many people that’s a meaningful step up, and it’s worth being deliberate about.
Spread it across the day
Your body uses protein best when it’s distributed — roughly 25–35 g at each main meal — rather than loaded into dinner. Anchor each meal with a protein source: eggs or Greek yoghurt at breakfast, beans or fish at lunch, tofu or lean meat at dinner, with protein-rich snacks like nuts or dairy to fill gaps.
Don’t forget bone
Pair protein with calcium (~1000 mg/day) and vitamin D to support bone health as oestrogen’s protective effect fades. Weight-bearing and resistance exercise amplify all of this.
What Fawna does
Fawna raises your protein target for the perimenopause stage and keeps calcium and vitamin D in view. Crucially, it doesn’t assume you need to eat less — energy needs don’t automatically drop. It adapts the plan (more protein, bone-supportive nutrients), not simply the number. Steadier, not a verdict.
FAQ
Is 1.2 g/kg a lot of protein? It’s more than the minimum RDA but very achievable with a protein source at each meal. It’s about preserving muscle, not bodybuilding.
Does perimenopause mean inevitable weight gain? No. Body composition often shifts, but that’s not a verdict — protein, strength training and steady nutrition make a real difference.
References
- Moore DR et al. J Gerontol A Biol Sci (2015)
- British Menopause Society — Nutrition & weight gain (2023)
- Institute of Medicine — DRIs: Calcium and Vitamin D (2011)
General information, not medical advice. Reviewed for accuracy; always consult a qualified professional about your health.
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