The Gut-Brain Connection During Menopause: Why Your Digestive Health Matters
Menopause is usually associated with hot flushes, night sweats and changes in the menstrual cycle. Yet many women also become more aware of their digestion during perimenopause and after menopause. Bloating, constipation, diarrhoea, abdominal discomfort or changes in bowel habits may appear or become more noticeable.
These symptoms can be frustrating, especially when they occur alongside poor sleep, fatigue, anxiety or brain fog. The digestive system does not work in isolation: it communicates constantly with the brain, responds to stress and is influenced by food, movement, medication, age and many other factors.
Understanding this connection can help women care for their gut without falling for restrictive diets, expensive “detoxes” or promises of a miraculous hormonal reset.
Why Is the Gut Called the “Second Brain”?
The gut does not think in the same way as the brain. The expression “second brain” refers mainly to the enteric nervous system, a complex network of nerve cells within the walls of the digestive tract.
This system helps coordinate digestion, intestinal movement and secretions. It can manage many digestive functions locally, but it remains connected to the brain and the rest of the nervous system.
The communication network between the digestive system and the brain is known as the gut-brain axis. Messages travel in both directions through nerve pathways, hormones, immune signals and substances associated with gut microbes. The vagus nerve is one of the major communication routes.
This helps explain why stress may be felt physically in the stomach or bowel. Anxiety can sometimes affect appetite, speed up or slow down intestinal movement, or make existing digestive discomfort feel more intense. In turn, persistent digestive symptoms can disturb sleep, confidence and emotional well-being.
This relationship is real, but it is also complex. Gut health should not be presented as the single explanation or cure for anxiety, depression, brain fog or other menopause symptoms.
What May Change During Menopause?
Perimenopause is the transitional stage leading up to menopause, when levels of oestrogen and progesterone fluctuate. Menopause is reached after 12 consecutive months without a menstrual period, and the years that follow are called postmenopause.
Research into gastrointestinal symptoms during the menopause transition is still developing. Studies report symptoms such as bloating, abdominal discomfort, constipation, diarrhoea and reflux among some women, but the causes are not always straightforward.
Hormonal changes may be one part of the picture. Sleep disruption, stress, ageing, changes in physical activity, dietary habits, medicines and existing digestive conditions can also influence how the bowel functions. A symptom that begins during menopause is not necessarily caused by menopause.
Menopause and the Gut Microbiome
The gut microbiota is the community of bacteria, viruses, fungi and other microorganisms living in the digestive tract, especially the large intestine. The term microbiome is often used to describe this community and its genetic material.
Gut microbes help break down certain components of food that are not fully digested earlier in the digestive process. They also produce substances that interact with intestinal, immune and metabolic processes.
Scientists are investigating a two-way relationship between oestrogen and the gut microbiome. Some studies have found differences between premenopausal and postmenopausal women, but results are not fully consistent. A 2026 review concluded that current evidence does not yet show uniform differences in overall microbial diversity or major bacterial groups between women with lower and higher oestrogen levels.
In other words, the menopause–microbiome connection is promising and important, but it is not yet precise enough to tell an individual woman which microbes she needs or to guarantee that changing the microbiome will relieve menopause symptoms.
Simple Ways to Support Gut Health During Menopause
There is no single “perfect menopause diet”. The most helpful approach is usually consistent, varied and realistic.
Why Healthy Eating Matters During Menopause
A healthy, balanced diet is especially important during menopause. It supports the gut while also helping the body maintain muscle, bone and heart health as it ages.
Meals do not need to be complicated. A useful starting point is to combine:
Vegetables and fruit, which provide fibre, vitamins, minerals and a variety of plant compounds.
Protein-rich foods, such as fish, eggs, yoghurt, beans, lentils, tofu, poultry or lean meat, to support the maintenance of muscle.
Calcium-rich foods, including dairy products or calcium-fortified alternatives, alongside appropriate vitamin D intake to support bone health.
Wholegrain carbohydrates, such as oats, brown rice and wholegrain bread, which can provide energy and fibre.
Sources of unsaturated fats, such as olive oil, nuts, seeds and oily fish.
Foods high in added sugar, salt or saturated fat do not have to be forbidden, but they are best kept as a smaller part of the overall diet. Healthy eating is not about punishment or perfection. It is about creating a nourishing pattern that can be maintained in everyday life.
Women with food intolerances, digestive conditions, osteoporosis, diabetes, kidney disease or other medical needs may require personalised guidance from a doctor or registered dietitian.
1. Include a variety of plant foods
Vegetables, fruit, beans, lentils, nuts, seeds and whole grains provide different types of fibre and nutrients. Variety matters because different foods offer different benefits.
If your current diet is low in fibre, increase it gradually. A sudden large increase may cause gas, bloating or discomfort, especially in people with a sensitive bowel.
2. Drink enough fluid
Fibre works best when accompanied by adequate fluid. Water needs vary according to body size, activity, climate, health conditions and medication, so there is no universal amount that suits everyone.
3. Keep moving
Regular physical activity supports general health and may help normal bowel movement. Walking, strength training, swimming or another enjoyable form of movement can be adapted to your fitness and health needs.
4. Eat slowly and notice your triggers
Rushed meals, large portions and certain foods may worsen symptoms in some people. A simple food-and-symptom diary can help identify patterns, but avoid removing several food groups without professional guidance. Unnecessary restriction can make the diet less nutritious and more stressful.
5. Protect sleep and manage stress
Night sweats and insomnia can make menopause exhausting. Because the brain and gut communicate in both directions, calming routines, adequate rest, gentle exercise and stress-management practices may also support digestive comfort.
6. Be cautious with probiotics and “gut tests”
Probiotic effects depend on the exact strain, dose and health condition being studied. A supplement labelled “probiotic” is not automatically effective for every symptom.
Commercial microbiome tests may provide interesting information, but current knowledge generally cannot turn every result into reliable, personalised treatment. Speak with a qualified healthcare professional before taking supplements, particularly if you have a medical condition, a weakened immune system or take regular medication.
Do Not Assume Every Digestive Symptom Is Menopause
New, severe or persistent symptoms deserve proper assessment. Contact a healthcare professional if you experience blood in the stool, unexplained weight loss, persistent vomiting, difficulty swallowing, severe abdominal pain, a lasting change in bowel habits or symptoms that wake you repeatedly at night.
These signs do not necessarily mean that something serious is wrong, but they should not be dismissed as “just hormones”.
A New Way to Listen to Your Body
Menopause can be an opportunity to understand the body with greater patience rather than fear. The gut participates in digestion, nutrient absorption, waste elimination and communication with several systems throughout the body. Supporting it does not require perfection or a collection of expensive products.
Small, sustainable habits — varied food, gradual fibre intake, sufficient fluids, movement, sleep and professional advice when needed — create a safer foundation than extreme solutions.
Coming Soon: The Second Brain
This article is an introduction to a subject that deserves to be explored with clarity and care.
Coming soon, Maria Araujo’s new ebook, The Second Brain, will take readers on a deeper journey through the digestive system, the gut-brain axis and the fascinating world of the intestinal microbiota.
Written in accessible language, the book will explain how the stomach, small intestine, colon and rectum work; how digestion, absorption and intestinal transit take place; and how everyday habits can support digestive well-being — without myths, fear or miraculous promises.
Keep following the Digital Dreams blog for news about the release.
Medical note: This article is for general information only and does not replace personalised medical advice, diagnosis or treatment.
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