Optimising health and wellbeing in your 40s
Turning 40 often arrives in the middle of a very full life.
Careers may be demanding.
Families may still be young.
There is very little time to stop and reflect on your own health.
It is also often in this decade that women begin to experience the early stages of perimenopause, or even menopause itself.
Understanding what to look for can make these changes feel far less overwhelming.
Recognising early signs of perimenopause
Symptoms of perimenopause can initially be subtle and may come and go.
Many women tell us they do not feel quite like themselves, but cannot always explain why.
Early symptoms can include:
Anxiety or feeling more overwhelmed than usual
Irritability or a dip in mood
Fatigue
Poor or disrupted sleep
Reduced resilience to stress
Changes in libido, or discomfort during intimacy
Changes to periods, including irregularity or heavier or lighter bleeding
These symptoms are common and valid. They are often linked to hormonal fluctuations, but they do not always follow a predictable pattern.
If you are unsure whether your symptoms could be related to perimenopause, you can read more in our guide: What is perimenopause?
Small habits that make a big difference
Your 40s can be an important opportunity to support your long term health.
This is not about being perfect. It is about small, manageable changes that you can maintain over time.
Sleep
Try to keep a consistent sleep routine where possible.
Hormonal changes, alongside caffeine and alcohol, can all affect sleep quality. If your sleep is persistently disrupted, it is worth seeking support.
We explore this in more detail in our article on sleep and the menopause: why it changes and what can help.
Nutrition
Aim for regular meals and focus on:
Protein
Fibre
Whole foods
Reducing sugary snacks can help stabilise energy levels and support weight management.
Vitamin D
Vitamin D supplementation is recommended for most adults in the UK, particularly during autumn and winter.
It supports bone health, immune function and mood.
Exercise
Both strength training and cardiovascular movement are important.
This does not need to be complicated. A brisk walk counts.
If you are just starting, start small and choose something you enjoy.
Stress
Many women in their 40s are juggling multiple responsibilities.
Building in small pauses during the day can help. It is also important to recognise when you may be taking on too much.
Routine health checks to prioritise
This stage of life is also a good time to stay up to date with routine health checks:
Contraception reviews where needed
Breast awareness, ideally a monthly self check
Cervical screening when invited
Sexual health checks where appropriate
These are simple but important steps in maintaining long term health.
You do not have to push through
If you are not feeling like yourself, it is important to know that support is available.
You do not need to wait until symptoms feel severe.
There are a range of evidence based options that may help, including:
Hormone Replacement Therapy (HRT)
Hormonal contraception
Non hormonal medications
Lifestyle support and personalised advice
The right approach will always depend on your individual symptoms, medical history and preferences.
If you are considering treatment, you may find our guide helpful: What to expect when starting HRT.
Where to start
If this resonates, a good first step can be understanding your symptoms more clearly.
You may find it helpful to:
Track your symptoms over time
Read more about perimenopause
You can also use our menopause symptom questionnaire to help identify patterns in how you are feeling.
Final thoughts
Your 40s can feel busy, demanding and at times overwhelming.
But they are also an opportunity to pause, understand your body, and make small changes that support your long term health and wellbeing.
If something does not feel right, it is worth exploring. You do not have to navigate this stage alone.
If you would like personalised support, you can learn more about our approach at Lemala Health online menopause clinic.
Drs Emma & Mari.
Lemala Health
The information shared in this blog is for general educational purposes only and is not intended as individual medical advice. If you have concerns about your symptoms or treatment, please seek advice from your own GP or a qualified healthcare professional.
Written by Dr Emma Ginns, British Menopause Society Registered Specialist, GP and Accredited Lifestyle Medicine Physician. Co-founder, Lemala Health. March 2026