The Hidden Link Between Gut Health and Perimenopause and What Every Woman Needs to Know
- Brainz Magazine
- Jul 29
- 5 min read
Written by Charlotte Cheetham, Gut Health Coach
Charlotte Cheetham is an expert coach in Gut Health for menopausal women. She is the founder of Lifeinsghts and aims to help all menopausal women one by one to heal their symptoms, which are preventing them from living a normal life. She has also written articles for Healthieyoo magazine about gut health, menopause and psychobiotics.
You’ve likely heard a lot about hormones during perimenopause, oestrogen, progesterone, and cortisol, but what if one of the most powerful influences on your symptoms isn’t just your hormones, but your gut?
Perimenopause, the often-challenging transition before menopause, brings with it a host of frustrating symptoms: bloating, fatigue, brain fog, weight gain, anxiety, mood swings, and sleep issues. While hormone changes are at the heart of these shifts, there’s a lesser-known but equally important player: your gut microbiome.
In this article, I’ll explore how your gut health influences perimenopausal symptoms, why many women are misdiagnosed or overlooked, and how natural strategies focused on your digestive system can bring profound relief. Let’s reconnect the dots and empower you with the knowledge to take control of your body during this critical life stage.
1. Understanding perimenopause: More than just hormones
Perimenopause is the 4–10 year transition before menopause, when estrogen and progesterone levels begin to fluctuate. This hormonal rollercoaster doesn’t just affect reproduction; it impacts everything from your metabolism to mood, digestion, immunity, and sleep patterns.
Many women report symptoms such as:
Sudden weight gain, particularly around the belly
Bloating and digestive discomfort
Cravings for sugar or salty foods
Anxiety, mood swings, or feeling emotionally overwhelmed
Brain fog and low motivation
Disrupted sleep or night sweats
Fatigue, even after a full night’s sleep
While most of these symptoms are blamed solely on hormones, science is showing us that gut health is a key missing piece of the puzzle.
2. The gut-hormone connection: Your inner ecosystem
Your gut is home to trillions of microbes that do far more than digest food. This microbiome plays a critical role in regulating:
Hormone metabolism (especially oestrogen)
Immune function
Blood sugar balance
Mental health via the gut-brain axis
Inflammation and detoxification
There’s even a special group of gut bacteria called the estrobolome, which helps process and eliminate excess oestrogen from the body. When your gut is imbalanced due to stress, poor diet, medications, or antibiotics, it can affect this process and contribute to oestrogen dominance. This means worse PMS, heavier periods, mood instability, and weight gain.
3. Why perimenopause worsens gut symptoms
As oestrogen and progesterone fluctuate, they influence how your gut behaves:
Lower oestrogen can slow digestion, leading to constipation and bloating.
Stress hormones like cortisol, which rise in perimenopause, can disrupt your microbiome and increase gut permeability (a.k.a. "leaky gut").
Poor sleep and blood sugar imbalance, both common in midlife, further inflame the gut.
Many women in their 40s find they suddenly become sensitive to foods they used to tolerate, get bloated after meals, or suffer from stubborn belly fat that won’t shift, no matter how clean their diet is.
This is not a failure of willpower. It’s biology. And it’s fixable.
4. Common gut health red flags during perimenopause
If you’re experiencing any of the following, it may be a sign that your gut needs attention:
Bloating after meals
Constipation or diarrhoea
Gas or food sensitivities
Acne or rosacea flare-ups
Brain fog or poor memory
Anxiety or low mood
Trouble losing weight
Waking up at 3 a.m. with racing thoughts
Many of these symptoms overlap with perimenopause, which is why gut health is often ignored, but healing the gut often leads to dramatic symptom relief.
5. The 5 pillars of gut-first perimenopause relief
Let’s look at natural, sustainable strategies that help heal the gut, rebalance hormones, and reduce symptoms.
Pillar 1: Nourish with whole foods
Ditch the processed “diet” foods and focus on eating real, whole, nutrient-dense meals. Aim for:
Colourful vegetables (especially leafy greens, cruciferous veg, and prebiotic-rich foods like leeks, onions, garlic, and asparagus)
Healthy fats (avocado, olive oil, flaxseeds, oily fish)
High-quality protein (wild salmon, eggs, lentils, organic chicken)
Fermented foods (sauerkraut, kefir, kimchi, miso, start small)
Avoid inflammatory triggers like sugar, ultra-processed snacks, and alcohol, which can spike cortisol, disturb your microbiome, and worsen hormonal imbalance.
Pillar 2: Balance blood sugar
Fluctuating blood sugar levels are a major driver of mood swings, cravings, anxiety, and weight gain in perimenopause. Stabilising it helps both your gut and hormones.
Tips:
Eat protein and fat with every meal
Avoid skipping meals (this spikes cortisol)
Limit sugary snacks and alcohol
Swap white carbs for slow-burning carbs like sweet potato or oats
Pillar 3: Support your stress response
Chronic stress weakens the gut lining, reduces digestion, and raises cortisol, worsening symptoms.
Daily habits to build resilience:
Deep breathing or breathwork
Gentle movement, like walking or yoga
Journaling or spending time in nature
Magnesium-rich foods (or magnesium glycinate supplements)
Pillar 4: Repair and rebuild your gut lining
This can be done through targeted nutrients and foods that soothe inflammation and support healing.
Try:
Bone broth or collagen-rich soups
Aloe vera juice or slippery elm
Omega-3s from flax or oily fish
L-glutamine (speak to a practitioner for dosage)
Pillar 5: Rebalance with probiotics and prebiotics
Probiotic supplements and fermented foods can help restore beneficial bacteria, while prebiotics feed them.
Not all probiotics are created equal. Look for strains backed by research, like:
Lactobacillus rhamnosus (great for anxiety and digestion)
Bifidobacterium longum (supports mood and reduces inflammation)
6. Real results: Case study – Sarah’s story
Sally, 45, was feeling despair as she felt bloated and emotionally depleted. She’d gained 10 pounds despite eating well, felt constantly wired but tired, and dreaded social events due to unpredictable digestion.
Within the first two weeks of shifting to a gut-healing protocol:
Her bloating significantly reduced
Her sleep improved
She felt calmer and more in control
By week six, she had lost weight, was back in her favourite jeans, and, most importantly, felt more like herself. This is the power of gut-first support for perimenopausal women.
7. Why it’s not just about supplements
Many women try to “fix” their symptoms with quick supplements, magnesium, collagen, probiotics, but without changing their habits or healing their gut, the results are limited.
Supplements can support you, but they’re not a replacement for lifestyle shifts. The foundation is how you eat, move, think, and rest.
8. Getting started: Your next best step
Here’s a 5-day Gut Reset you can try:
Day 1: Cut out sugar and alcohol
Day 2: Add 2 servings of prebiotic foods
Day 3: Go for a 30-minute walk outdoors
Day 4: Drink bone broth or a gut-healing smoothie
Day 5: Try 5 minutes of breathwork before bed
Simple shifts like these can calm inflammation, reduce cortisol, and support hormone balance naturally.
9. You’re not broken – you’re rebalancing
If you’ve been feeling out of control, frustrated, or dismissed by doctors, know this: You are not broken. You are transitioning.
Perimenopause is not a problem to be fixed; it’s a time of deep recalibration. Your body is asking for support, not restriction. By focusing on gut health, you give it the nourishment and stability it needs to navigate this chapter with grace and clarity.
Final words
You don’t have to suffer in silence. You don’t have to accept bloating, fatigue, or brain fog as your new normal. Gut health is a powerful, often-overlooked key to reclaiming energy, confidence, and peace during perimenopause.
Start with small, daily shifts. Listen to your body. Be curious, not critical. And most importantly, know that feeling good again is possible.
Charlotte Cheetham, Gut Health Coach
Charlotte Cheetham is an expert Gut Coach for menopausal women. After suffering from an acute gut infection, she had to learn how to manage her gut health to prevent another massive flare-up. She has learnt how to manage her nutritional needs to become healthy and happy during menopause. Her mission is to help as many women as possible to manage their diet and lifestyle so. too, can learn how to become healthy and happy again.
