weight

Why Is It Harder for Men to Lose Weight After 40?

Forty is not a switch that makes weight management impossible. Start with what has changed in your actual week, then build food, movement and support around the life you have now.

Compare routines before blaming your age

Look at an ordinary working day now and an ordinary day ten years ago. Are you sitting more, sleeping differently, drinking more often or eating later? Has an injury changed how you move? That comparison can reveal a practical starting point. It cannot diagnose why your weight changed, and it is not proof that hormones are the cause.

Keep dinner recognisable

Choose two or three meals you enjoy and can prepare on a busy day. Include a protein-containing food, vegetables or fruit where appropriate, and a starchy component in a portion that works for you. Beans, eggs, fish and other ordinary foods can do the job; a cupboard full of powders is not compulsory. Use the Eatwell Guide as an overall pattern, rather than demanding a perfect plate at every meal.

Build movement from your current starting point

Adults aged 19 to 64 are advised to work towards 150 minutes of moderate activity a week and strengthening activities on at least two days. Those are general goals, not instructions to go from the sofa to a punishing circuit tomorrow. Start within your ability. Get advice if an injury, medical condition or long period of inactivity affects what is appropriate.

Check health changes properly

Persistent fatigue, loud snoring with breathing pauses, sexual symptoms or unexplained weight change deserve a clinical conversation. Do not diagnose low testosterone from a quiz or buy treatment because an advert lists familiar symptoms. A home measurement or private test also needs a clear explanation of what happens if the result is abnormal.

An example first week

  • Choose one reliable lunch and have its ingredients available.
  • Add a short, comfortable movement slot on days it fits.
  • Notice whether a regular drinking occasion is making the next day harder.
  • Record one problem to discuss with your GP if symptoms are persistent.
  • At the end of the week, keep what helped and change what did not.

Use more than the scale

Notice whether everyday tasks feel easier, meals are less chaotic or your routine is more dependable. Weight trends can be useful, but treatment suitability and medicine changes belong with the clinician responsible for your care. You can work on everyday routines while seeking that support.

Sources and further reading

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SHIFT editorial information

General information and practical examples. Individual diagnosis, treatment and exercise suitability belong with the appropriate qualified professional.

Shift Says

Use this page as information, not judgement. The best next step is the one that actually fits your health, your life and what you are ready to change.

Can I do this myself?

Absolutely. You do not have to join a paid Shift Programme to start improving your health. Use our free Knowledge Hub, calculators, Health MOT and tools to have a proper go first.

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Editorial review

Reading copy and listed sources checked 3 October 2026. Independent clinical review is not claimed. General information does not replace individual advice.

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