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I’m Jenny Jacobs, a gut health dietitian who helps women 40+ with IBS move beyond restrictive diets and gut discomfort by addressing gut microbiome and perimenopause hormone changes. I’m Jenny Jacobs, a gut health dietitian who helps women 40+ with IBS move beyond restrictive diets and gut discomfort by addressing microbiome and perimenopause hormone changes.

12/10/2026

Most women think bloating, constipation, and night-time sweats are three separate problems.

But they’re all pointing to the same root cause:
A shrinking gut microbiome and shifting hormones, made worse by years of cutting foods out

Here’s why they’re connected, and where I get a little nerdy 🤓

During perimenopause, oestrogen and progesterone start to fluctuate and decline. Those hormones influence how fast your gut moves, how much bile you release, and which microbes thrive.

At the same time, your gut bugs help regulate your oestrogen through something called the estrobolome. So the gut affects your hormones, and your hormones affect your gut.

Now add restriction. Every time you cut out another food group (Low FODMAP, gluten-free, dairy-free), you feed your microbes less variety. Less diversity means slower motility, more gas, more bloating, and a gut that’s even less able to support your hormones.

So you cut more, feel worse, and cut more again. That’s why your gut, your hormones, and your symptoms all flare together.

When you nourish your gut microbiome instead of restricting it, and support your hormones at the same time, your digestion calms down, your bloating eases, and you can finally eat out without fear!

The Peri Gut Method is my 12-week signature program with a personalised plan from me to get to the root cause of your IBS, without restrictive diets. I have 3 spots left for this round for women over 40 who are done guessing. DM me PERI GUT and let’s see if it’s a good fit!

My biggest flex? I can teach you how to get rid of your bloating, constipation and reflux without cutting out random foo...
08/10/2026

My biggest flex? I can teach you how to get rid of your bloating, constipation and reflux without cutting out random foods or going on the Low FODMAP diet.

Take my client Terri. She struggled with bloating and constipation for years, then was diagnosed with the skin autoimmune condition lichen sclerosus. Her diet was cut back to bland boiled chicken and rice.

She was afraid to leave the house, so she asked to work from home. She stopped going out to restaurants with her family because walking past a food court made her feel sick. Her hair was falling out, her gums were bleeding, and she was exhausted from the mental load of “what can I eat?” She was fearful of food.

She saw gastroenterologists and had colonoscopies and scans. Her doctor told her everything was “normal” and to go on the Low FODMAP diet, which restricted her even further.

After 12 weeks of working with me in a safe community of women dealing with hormonal and digestive issues, her life has done a 180. She can now eat ANYTHING off the menu without freaking out, go back to the office fulltime without worrying about a bathroom accident on the train to work, her hair is now shinny and not falling out out, she is now planning a family holiday without worries about her food or gut problems.

Most women with gut issues overcomplicate their nutrition. They cut out gluten, dairy, sugar, carbs and a long list of foods, and they buy expensive supplements.

My clients get rid of their bloat for good because I show them how to heal their gut without extreme elimination diets or guessing what’s “safe” to eat.

Bloating and constipation aren’t mysterious. They’re your body’s way of asking for more nourishment, not less. When you give your body what it needs to heal, the bloat and pooping issues disappear.

Terri joined me live in yesterday’s Perimenopause IBS Masterclass to share her story. If you missed it, DM me REPLAY and I’ll send it to you

03/10/2026

She was taking iron supplements every day, eating red meat regularly, and her iron levels were still low.

Her doctor kept increasing her dose. She kept going back for blood tests. Nothing changed. What nobody told her was that the iron wasn't the problem. Her body just couldn't absorb it.

During perimenopause, stomach acid naturally declines. And without adequate stomach acid, your body can't properly break down and absorb nutrients like iron, B12, and magnesium - no matter how much you supplement.

So she was doing everything right on paper. But the underlying digestive issue meant that she was unable to absorb iron.

This is something I see regularly with midlife women. They're supplementing, they're eating well, and they still feel exhausted and depleted. And because the root cause isn't being addressed, the numbers don't budge.

When we shifted focus from “take more iron” to “why can't her body absorb it in the first place,” things started to change.

Low stomach acid doesn't just affect nutrient absorption either. It slows digestion, triggers reflux, causes bloating, and makes the gut more sensitive to food overall. It's one piece that affects a lot.

If you're a woman aged 40+ who's been told your iron is low, you've been supplementing for months, and you're still exhausted - it's worth asking whether absorption is the missing piece.

What's your experience been with this? Have you had a similar situation with a client or yourself?

P.S. I'm covering exactly this in my FREE Perimenopause IBS Masterclass on Thursday, October 8th at 7:30PM AEST. I'll walk you through the gut-hormone connection that can impact your iron levels and the exact steps to reduce bloating, trust food again, and feel comfortable in your clothes in as little as 2 weeks. DM MASTERCLASS for the link to register

25/09/2026

The "gut health advice" you've been following wasn't created for women in perimenopause.

You've been told to:
❌ Go Low FODMAP and cut out onion, garlic, wheat
❌ Take random gut supplements and probiotics from Instagram
❌ Just "eat cleaner" and cut out more foods

…But you're still bloated, gassy, and irregular.

You don't have a food problem.

You have a gut-hormone issue that's showing up as IBS symptoms.
When your microbiome shrinks and your gut-hormone connection is disrupted during perimenopause, it can:

→ Slow your gut motility, causing bloating and constipation
→ Trigger methane dominance, leaving you gassy and distended
→ Reduce bile flow, making digestion sluggish and uncomfortable
→ Throw off your estrobolome, worsening both gut and hormone symptoms

If restricting more foods hasn't worked, it's time to rebuild your gut instead.

Like Terri, who finally found relief from years of bloating once we addressed her low butyrate gut bacteria- after going on a strict elimination diet that had only made her world smaller.

And Ann, who finally felt confident she could actually leave the house without needing to find a toilet at the most inconvenient times.

Lasting gut relief starts with addressing the root cause, not restriction.

I'm hosting a free live Perimenopause IBS Masterclass on October 8th, where I'll break down exactly what's driving symptoms like this and what actually works. DM me MASTERCLASS and I'll send you the link!

24/09/2026

If I could go back to my 30s and tell myself one thing about my gut before I hit perimenopause, it would be this:

Stop trying to fix your gut by restricting your diet.

I spent so much time thinking I needed to find the perfect foods, cut out more things and control every symptom.

But what I know now, after experiencing those changes in my own body and working with so many women through midlife gut issues, is that my body was changing.

And instead of giving my body more support, I was making my diet smaller and smaller and and I still felt bloated and miserable 🙁

Looking back, I would have done things very differently.

I think alot of women in midlife don’t realise just how much their bodies are going through during perimenopause. There’s already so much change happening and then when gut issues come up the standard advice is simply to cut out gluten, dairy, carbs, go Low FODMAP or eat less.

But it doesn't work that way. There’s another level of complexity…..when your body is going through peri- changes adding more restriction to an already stressed out system backfires

Women in midlife need a more nuanced approach that recognises what their bodies are going through rather than simply giving them another list of foods to cut out or supplement to take.

I’m hosting a Live Perimenopause IBS Masterclass on October 8th, where I’ll be teaching: What I would do differently if I were perimenopausal with IBS.

We’ll talk about what I wish I knew sooner and the approach I’d take now to support my gut through this stage of life.

👉 Comment MASTERCLASS below and I’ll send you the details.

The IBS advice you've been following wasn't created for women going through perimenopause.You've been told to:❌ Cut out ...
22/09/2026

The IBS advice you've been following wasn't created for women going through perimenopause.

You've been told to:

❌ Cut out more foods
❌ Stay on low FODMAP
❌ Take probiotics and supplements
❌ “Just avoid your triggers”

But you're STILL bloated.

Still constipated one day and running to the toilet the next.

Still dealing with reflux, cramps, urgency or that horrible feeling of “I can't trust my gut.”

And you're probably starting to think:

“Maybe this is just what happens when you get older.”

But here's the thing…

Your gut doesn't exist in isolation.

During perimenopause, changing hormones can interact with gut motility, digestion, the microbiome, your gut-brain connection, stress response and metabolism.

So the answer isn't always another food to remove.

Sometimes the better question is:

“What does my gut actually need now?”

That's why I take a different approach with the women I work with.

We look at the bigger picture - your gut, hormones, metabolism, food, lifestyle and individual symptoms - rather than simply handing you another restrictive food list.

Because you shouldn't have to spend the next 10 years:

🚽 Planning your day around the toilet
🥗 Eating the same “safe” foods
😩 Wondering what you did wrong when your belly blows up
🍽️ Being scared to eat out
👖 Unbuttoning your jeans by 3pm

You deserve to understand what's happening in your body - and feel confident around food again.

🎓 That's exactly what I'll be talking about in my FREE Perimenopause IBS Masterclass next month.

I'll show you:

→ Why IBS can change or become worse in your 40s
→ How perimenopause can affect your gut
→ Why cutting out more foods isn't necessarily the answer
→ What you can focus on instead to start calming your gut

DM me MASTERCLASS and I'll send you the details and your invitation.

Just got back from a conference on chronic constipation, and I have to share this 👇If you're swinging between straining ...
22/08/2026

Just got back from a conference on chronic constipation, and I have to share this 👇

If you're swinging between straining on the toilet and loose, mushy stools and you're over 40….this isn’t random and not just “stress”

It's your gut microbiome. It's your hormones. It's the diet and lifestyle choices you're making whether you realise it or not.

I want you to know ….this is 100% in your control.

But not by following another restrictive meal plan. Not by cutting out entire food groups you saw flagged on a random Instagram reel. Not by copying what worked for your friend, your sister, or some stranger on Facebook.

But by understanding YOUR gut, YOUR hormones, YOUR body.

Every woman just needs to be shown how it works in the context of their own UNIQUE bodies…. not what they've read online.

That's the difference between guessing and getting real results.

If this sounds like you tell me in the comments what is driving you mad…is it constipation, mushy stools, reflux are you concerned about your weight or health?👇

How colourful is your plate today?I'm not going to lie .....but in the thick of my IBS I used to think that the way to g...
20/07/2026

How colourful is your plate today?

I'm not going to lie .....but in the thick of my IBS I used to think that the way to get rid of bloating that made me look 6 months pregnant
was to eat boring bland foods...you know the chicken & rice meal on repeat 7 days per week??

Turns out I was wrong.... during perimenopause/ menopause transition a woman's gut microbiome & hormones need to to be fed a rainbow 🌈

Think colour, variety, different fibres, different foods so your gut bugs are happy & balanced. This is what keeps bloating, mood and energy all manageable as we get older.

If you struggle with eating variety because you bloat up instantly & feel sick....I completely understand but there is a method to getting you to a place where you can eat like this & feel amazing in your body! This is the work we do inside the Peri Gut Method.

Tell me what foods are you eating today that doesn't give you a stomach ache 👇

09/07/2026

Who here takes a probiotic for their IBS? 🙋‍♀️
Has it actually helped your IBS? Or did you take it for weeks and feel... nothing?

Here's why buying random probiotics for IBS is a waste of money.

Probiotics aren't one size fits all....they need to be strain-specific.

That means:
🔹 A strain that helps with bloating might do nothing for your diarrhoea
🔹 A strain that helps constipation could actually make your gas worse
🔹 The name on the front of the bottle ("gut health" or "digestive support") tells you almost nothing about whether it matches YOUR symptom

So if you've grabbed "a probiotic" off the pharmacy shelf and felt like it did nothing it's not that probiotics don't work for IBS.

It's that the strain didn't match what your gut actually needed.

The real question isn't "should I take a probiotic?" It's "which strain, for which symptom, and why?"

This is exactly what I help my clients decipher inside The Peri Gut Method. 👇
Comment PERI GUT and I'll send you more info.

Lazy girl breakfast, but make it hormone-smart 🍌🧀Today's a big one - back-to-back Peri Gut assessments for the next roun...
05/07/2026

Lazy girl breakfast, but make it hormone-smart 🍌🧀

Today's a big one - back-to-back Peri Gut assessments for the next round of The Peri Gut Method. So I started my morning with this: wholegrain toast + cottage cheese + banana + h**p seeds + a drizzle of raw honey. Five minutes, zero thinking required.

Low GI, fibre-fuelled, packed with protein and omega-3s - everything my peri hormones need, and everything my gut bacteria love.

This is what keeps me out of that old pattern of bloating, gas, constipation and that horrible reflux feeling.

An intentional plate but also so yummy!! ✨

⏰ Enrollments for The Peri Gut Method close tomorrow - and I'm already booking out the last assessment spots today.

If you've been sitting on the fence, this is your sign. Once the doors close, that's it for this round.

💬 Comment "PERI GUT" now and to lock in your assessment before spots run out.

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