I’m doing all the right things, why can’t I shift my midlife weight?

It’s frustrating and confusing: you are cutting calories, exercising more than you ever did, and the weight that has accumulated in strange new places (your mid-section, arms, back) just won’t shift. 

You are not going crazy, you are not being lazy, and rarely is the answer further restriction or a fad diet.  Your underlying biology has changed.  The key now is understanding that change and working with it.

What can Nutritional Therapists (NT) help you with?

The right balance of protein and fibre. Many food diaries reveal a gap here because protein and fibre needs shift with age. The right balance of these macro-nutrients will help to preserve muscle mass (which influences your metabolic rate), keep you fuller for longer, and stabilise blood sugar. Bonus benefits to this approach can include increased energy, better digestion and better sleep.

Insulin sensitivity and blood sugar regulation. Every cell in our body requires insulin for energy, but as oestrogen declines, cells can become less responsive to it. This makes the body more inclined to store fat (particularly around the middle) and can drive the energy dips and cravings that make healthy eating choices harder. Understanding and supporting insulin sensitivity — through food intake, meal structure and timing — is one of the most powerful levers in getting your metabolism back on track.

Can cutting calories make weight gain worse?

Sometimes, yes.  The body can read calorie restriction as a stressor. This raises cortisol, which encourages fat storage, disrupts sleep, and can suppress thyroid function – all creating havoc with your metabolism.  This is one of the reasons why generic ‘eat less, move more’ advice can be unhelpful at this point in life.  Plus, calorie restriction can deplete nutrients, which can lead to muscle loss, hair thinning, breaking nails and lack of energy.  Who wants that?

Why is my thyroid relevant to weight gain?

The thyroid governs metabolic rate (how your body uses energy), and thyroid dysfunction is not uncommon in middle age.  Where symptoms suggest it — fatigue, cold sensitivity, sluggish digestion, brain fog, hair thinning —thyroid testing can be insightful and guide the diet and supplementation recommendations (or medication if considered necessary by your GP) to support your thyroid health.

What else affects weight at this life stage?

Muscle mass and strength. From your 40s onward, muscle mass naturally declines unless it's actively and consistently maintained.  Which is, frankly, annoying. But muscle is a metabolically active tissue and having less of it means a lower resting metabolic rate (in other words, you burn less calories).

Sleep and stress. Poor sleep alters the hormones that regulate appetite and hunger cues, and chronic stress keeps cortisol elevated in ways that directly influence where and how the body stores fat. These aren't ‘soft’ factors in managing your weight— they're measurable, physical ones and important to build into weight loss approaches.

Gut health. An increasing body of research links the diversity and balance of the gut microbiome to metabolic health, inflammation and even how efficiently the body regulates blood sugar.

So what can I do?

When you understand what's driving the changes you're seeing, pure restriction stops being the answer and informed, sustainable adjustment to your diet and lifestyle can happen.

As a bonus that shift — from fighting your body to understanding and working with it — can restore something beyond the number on the scales: a sense of agency, of feeling more in control and like yourself again.

If you would like a discovery call to talk through your goals and to see if my approach feels like the right fit for you, please click here.

See here for more details of what happens in a discovery call.   

Weight gain: Frequently Asked Questions

Does menopause cause weight gain? Menopause doesn't cause weight gain directly, but declining oestrogen during perimenopause and menopause affects insulin sensitivity, fat distribution and muscle mass — all of which make weight gain more likely and weight loss harder, even without changes to diet or exercise.

How is nutritional therapy different from a diet? Nutritional therapy doesn't apply a fixed set of rules or approaches. It starts with your individual biochemistry, history and life stage, and identifies the specific factors — hormonal, metabolic or otherwise — driving what you're experiencing, then builds a personalised plan around them.

Will I need tests? Not always, but where your history and symptoms suggest it's warranted, a registered NT may recommend that you discuss testing with your GP (such as thyroid function or blood sugar markers) or suggest private testing to ensure any plan is based on evidence and safe practice.