EverStrong

Guide

GLP-1 and menopause: protecting muscle and bone

Falling oestrogen and a GLP-1 deficit pull in the same direction on muscle and bone. This is the weekly plan we use with women over 45, and the questions that belong with your doctor.

The short answer

Menopause and a GLP-1 pull in the same direction on muscle and bone. Falling oestrogen is associated with losing both, and a large calorie deficit adds to both. The plan is protein at the top of the range, around 1.6 g per kg of goal weight in servings of 30 to 40 g, two strength sessions a week that load the hips and spine, and calcium and vitamin D covered. Hormone therapy and bone scans are conversations for your doctor.

Work out your protein number

Two forces, one direction

Most women come to a GLP-1 having already noticed that their body stopped responding the way it used to. Weight that used to sit on hips and thighs settles around the middle. The same walking and the same eating produce a different result. Strength fades in ways that are easy to attribute to being busy. Underneath that, falling oestrogen is associated with loss of lean mass and of bone density, and with a change in where fat is stored.

Now add a medication that produces the largest calorie deficit of your life. Across 20 randomised trials, an average of 35.2% of the weight lost on semaglutide (Ozempic, Wegovy) was lean mass. Losing the same weight through diet alone cost 26.2% as lean mass, which was not significantly different from the medications (p = 0.42). The muscle comes off because the weight comes off, not because of the injection. Adding resistance training brought it down to 17.5%, the most favourable result of any approach studied. Eisa N et al, Diabetes, Obesity and Metabolism 2026

Nobody in those trials was given protein targets or strength training. So: two forces pulling on the same tissue, and one number in that sequence that you control.

That is not an argument against the medication. Carrying less weight is good for joints, blood pressure and a long list of other things, and for many women it is the first intervention that has worked. It is an argument for doing the muscle work at the same time rather than afterwards.

Protein: the number and the timing

Aim near the top of our range, around 1.6 g per kilogram of goal body weight, which is 0.7 g per pound. For a 65 kg (143 lb) goal that is about 104 g a day, and for a 75 kg (165 lb) goal about 120 g. Spread across meals at roughly 0.3 to 0.4 g per kg per meal, rather than taken mostly at dinner. Arslan S, Clinical Nutrition ESPEN 2026 At a 65 kg goal that is 20 to 26 g a meal; at 75 kg it is 23 to 30 g.

The size of each serve matters more after 45 than it did at 30, and here is the mechanism. Each of those meals wants roughly 2.5 to 3 g of leucine, the amino acid that actually switches muscle building on. That is about 30 g of whey, 120 g of chicken breast, or four eggs. Arslan S, Clinical Nutrition ESPEN 2026 Grazing on small amounts across the day, which is what a low appetite pushes you towards, keeps you under that line at every sitting.

Practically, every sitting needs an anchor. Greek yoghurt or eggs at breakfast. Tinned salmon, chicken, tofu or cheese at lunch. A shake in the afternoon gap, which is usually the easiest 30 g of the day. Meat, fish or legumes at dinner. The ranked food list shows which foods do that in the smallest volume, which matters when appetite has gone.

Training for bone, not just muscle

Two 30-minute sessions a week across six movements: squat pattern, hinge, push, pull, carry, core brace. The two we would defend hardest here are the hinge and the loaded carry, because hips and spine are where bone density matters most and where fractures do the most damage later.

Load matters more than novelty. The last two repetitions of a set should be hard, which is the part that speaks to both muscle and bone. Bands and bodyweight are a fine start and you will outgrow them; a pair of adjustable dumbbells that reach 12 kg (26 lb) each will carry you a long way. The full programme is in strength training on a GLP-1.

Cover calcium from food, roughly three serves a day: dairy, tinned fish with bones, calcium-set tofu, fortified milks. Ask your doctor about vitamin D testing, and about whether a bone density scan is appropriate as a baseline, particularly with a family history of osteoporosis or a previous fracture.

Hot flushes and sleep belong in the plan

Broken sleep is not a side issue here. Short sleep in a calorie deficit shifts more of the loss towards lean tissue and lowers the quality of the two sessions that protect you, and it makes hitting a protein target harder the next day because tired people do not cook. Night sweats and a very low intake compound each other.

What helps, from our side: the last real meal three hours before bed, a 30 to 40 g protein serve in it, dairy if you need something later, a cool room, caffeine stopped by early afternoon and alcohol kept away from bedtime. Alcohol deserves a special mention because it worsens flushes and sleep, and it hits harder on a slow stomach. See sleep problems and alcohol on a GLP-1. Persistent severe flushes are a medical conversation, not something to endure quietly.

The scale is especially misleading now

Two things are moving at once: fat leaving and lean tissue at risk, on top of a redistribution that was already happening. A month with no change on the scale can be a very good month if the waist tape came down and the strength test went up. A month with 3 kg (6.6 lb) gone can be a bad one if the strength test fell with it.

So measure the things that separate them. One strength test, done the same way each week, such as the 30-second sit-to-stand. Your seven-day protein average. And a tape measure around the upper arm, same spot, relaxed, because the waist shrinks whatever you do and the arm tells you what kind of tissue is leaving.

A day that covers protein and calcium together

  • Breakfast 200 g (7 oz) Greek yoghurt with berries and a tablespoon of seeds, about 22 g of protein and a calcium serve.
  • Lunch 120 g (4 oz) tinned salmon with the bones on wholegrain toast, about 32 g, with calcium and vitamin D in the same tin.
  • Afternoon A 30 g scoop of whey in 250 ml (8.5 fl oz) of milk, about 33 g and another calcium serve.
  • Dinner 120 g (4 oz) chicken thigh with lentils and greens, about 38 g.

That is roughly 125 g of protein and three calcium serves, spread across four points in the day, which suits post-45 muscle far better than two large meals with the same total. On a day when only two of the four happen, make them the yoghurt and the shake, because between them they carry 55 g with no cooking.

The muscle you build now is the muscle you keep

Weight loss is a project with an end date. Muscle is not. The women who come through this well tend to be the ones who stopped treating strength work as something to add once the weight was off, and started treating it as the reason the weight loss was worth doing. It also changes what happens later: regained weight, if it comes, arrives on a body that is stronger and handles it better, and the years after the medication are much easier to manage. See coming off a GLP-1.

Questions that belong with your doctor

  • Hormone therapy Whether it suits you, and how it fits alongside weight loss. A medical decision, and not one this page will make for you.
  • Bone density screening Especially with a family history, a previous fracture, or a large planned weight loss.
  • Iron, ferritin, thyroid and vitamin D All of which produce fatigue, hair shedding and feeling cold, and all of which are common in women over 45. Vitamin D, B12, iron studies, folate, zinc and thiamine are the markers this literature suggests watching. Ask your prescriber whether they are worth checking for you; we do not order or interpret bloods. Arslan S, Clinical Nutrition ESPEN 2026
  • Unexpected bleeding or severe symptoms Always worth proper assessment rather than attributing it to the medication.

Perimenopause, and starting early

If you are still in perimenopause, you are at the point where this work pays best. Muscle built now is muscle you carry into the decade where it is hardest to build, and habits formed now survive the years when motivation is short. The plan is identical: the same protein number, the same two sessions, the same three numbers on a Sunday.

If you are already past it, nothing here is too late. The women we coach in their sixties add repetitions to the sit-to-stand test in their first eight weeks, while the scale is still falling. That is muscle being defended, and it is the difference between losing weight and improving your body. More detail in over 50 on a GLP-1 and in the per-medication guide to menopause on a GLP-1.

Free, one page

Forty foods, ranked by protein per bite

The hard part is not knowing you need protein, it is hitting the number on a day when food is the last thing you want. One page, grams and ounces, what a real serve looks like, and the first-bite rule for when appetite is gone. Print it and put it on the fridge.

Then five short emails over five days on keeping muscle while the weight comes off, and a short note every fortnight after that if you want it. One click to stop, any time.

Sent. Check your inbox in the next minute or two, and look in junk if it is not there.

Questions people ask

Does menopause make it harder to keep muscle on a GLP-1?

Yes. Falling oestrogen is associated with losing lean mass and bone, and a large calorie deficit adds to both. Protein at the top of the range and two loaded strength sessions a week are what push back.

How much protein should a woman over 50 eat on a GLP-1?

Around 1.6 g per kilogram of goal body weight, which is 0.7 g per pound. Spread across meals at roughly 0.3 to 0.4 g per kg per meal, rather than taken mostly at dinner. Each of those meals wants roughly 2.5 to 3 g of leucine, the amino acid that actually switches muscle building on. That is about 30 g of whey, 120 g of chicken breast, or four eggs. If you have kidney disease, your doctor sets the number instead.

Can I take a GLP-1 with hormone therapy?

That is a question for the doctor who manages both, and worth asking directly. The nutrition and training plan does not change either way.

Will losing weight in menopause weaken my bones?

Weight loss reduces bone density at any age, and menopause adds to that. Loaded hinges and carries, enough protein, and adequate calcium and vitamin D are the protective levers. Ask your doctor whether a bone scan is appropriate.

Why has my weight stalled even though I am eating very little?

Check the waist tape and the strength test before treating it as a stall. Through menopause the scale is a poor summary of what is happening, and a flat month with a shrinking waist is a good month.

The numbers on this page, and where they come from

The first three are always quoted together here, because the middle one is what stops the first one being frightening and the third is what you can do about it.

Across 20 randomised trials, an average of 35.2% of the weight lost on semaglutide (Ozempic, Wegovy) was lean mass. Eisa N et al, Diabetes, Obesity and Metabolism 2026

Losing the same weight through diet alone cost 26.2% as lean mass, which was not significantly different from the medications (p = 0.42). The muscle comes off because the weight comes off, not because of the injection. Eisa N et al, Diabetes, Obesity and Metabolism 2026

Adding resistance training brought the lean share of weight lost down to 17.5%, the most favourable result of any approach studied. Eisa N et al, Diabetes, Obesity and Metabolism 2026

Each of those meals wants roughly 2.5 to 3 g of leucine, the amino acid that actually switches muscle building on. That is about 30 g of whey, 120 g of chicken breast, or four eggs. Arslan S, Clinical Nutrition ESPEN 2026

The papers these numbers come from

  • Eisa N, Barood O. Lean Mass Changes With Incretin Therapy Versus Lifestyle Intervention: A Systematic Review and Meta-Analysis of Randomised Controlled Trials. Diabetes, Obesity and Metabolism, 2026. 20 randomised controlled trials, 15,782 participants. doi:10.1111/dom.70666
  • Arslan S. Medical nutrition in the glucagon-like peptide-1 (GLP-1) era: Protein strategies, micronutrient monitoring, and lean mass preservation. Clinical Nutrition ESPEN, 2026. Narrative review, guideline-informed targets. doi:10.1016/j.clnesp.2026.103305
  • Eglseer D, Reiter L, Schoufour JD, et al. Is higher protein intake during weight loss interventions in older adults associated with improved outcomes? A secondary data analysis of three randomised controlled trials. Nutrition Journal, 2026. 191 adults, mean age 65.1 years. doi:10.1186/s12937-025-01279-2

Last reviewed 18 September 2026. We update these figures when a larger or better study replaces them, and we say what changed. How we handle evidence.

The free tools that go with this

The Keep Muscle Kit

The system we use with women over 45

The workbook, Sunday numbers tracker, 2-day strength plan, injection-day card, and meal plans at 100, 120 and 140 g protein. Instant download.

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Every guide, by medication and situation

EverStrong provides nutrition and strength coaching and education. It is not medical advice and does not replace your prescribing doctor. Consult your doctor before starting a new exercise or nutrition plan, especially with a heart, kidney, liver or metabolic condition, if pregnant, or with a history of disordered eating.