Many of us have tried everything.

Probiotics at £80 a month. Gluten-free for a year. Lactose-free, obviously. The FODMAP diet, colon cleanses. Psyllium husks. That pricey collagen powder from the chemist. Even the naturopath who charged you £150 for a "personalised gut restoration plan".

And still: Your belly blows up like a balloon after every meal. Diarrhoea alternates with constipation – sometimes within the same day. On top of that, fatigue and ever-new food intolerances keep piling up…

The diagnosis? "Irritable bowel syndrome. It's psychological. Try reducing your stress."

But you know full well: the problems are real. Anyone who's been through this for any length of time knows: No, I am bloody well not imagining it!

The good news: the solution is closer than you think. And it's actually been around for centuries – in Grandma's kitchen .

And no – this isn't just some throwaway tip like "Just add a bit more turmeric."

It's a scientific approach that can genuinely make our gut robust again within weeks and make IBS disappear. We'll now explain exactly what's behind it…

Looking "pregnant" after eating. This isn't the only IBS symptom with a massive underlying cause…

IBS – why nobody seems able to help us!

40% of all people in the UK suffer from digestive problems. The most common diagnosis: irritable bowel syndrome.

The specialist says: "It's psychosomatic." The gastroenterologist performs a colonoscopy, finds nothing, and shrugs: "Everything looks fine. Try the FODMAP diet." The nutritionist hands you a list of 100 forbidden foods.

Everyone has a different opinion. Nobody has a real solution.

You get the feeling everyone thinks "It's only IBS, you just have to live with it." As though it weren't a real illness.

But here's what nobody tells you: IBS is not a condition in its own right. It's a symptom of a much deeper "problem" .

You might already have a hunch….

In 2006, researchers at the University of Nottingham discovered the number-one cause of IBS – one that's routinely swept under the carpet…

Our gut? An intelligent barrier. The cells of your intestinal wall are connected by tiny "locks" – known as Tight Junctions in the gut wall. They decide what's allowed into your bloodstream (nutrients) and what must stay out (toxins, bacteria, undigested food).

The crucial point: our modern lifestyle destroys these locks day in, day out. And often we can't even help it…

  • Antibiotics and painkillers destroy the gut flora (a study by the EMBL showed that a quarter of all medications inhibit important gut bacteria)
  • Environmental toxins and pollutants we're exposed to every single day are particularly notorious for creating holes in the gut
  • But chronic stress in particular has been proven to weaken the barrier!

The result: the Tight Junctions break down. Your gut becomes leaky. And then the vicious cycle begins….

Toxins, bacteria and undigested food pass through the leaky gut wall straight into the blood. Your immune system (80% of which is located in the gut) goes on permanent high alert. It produces inflammatory substances.

This chronic inflammation then causes the following:

  • Bloating , because the gut flora is thrown off balance
  • Diarrhoea or constipation , because gut motility is disrupted
  • Abdominal cramps , because the gut wall becomes hypersensitive
  • Food intolerances , because your immune system reacts to more and more foods

In other words, exactly the symptoms we know as "IBS"….

With IBS, sometimes just one mouthful is enough – and the next few days become a nightmare

Do you now see why almost nothing works for IBS?

So often we fight the symptoms – but not the root cause: our leaky gut!

Probiotics can't take hold on the damaged mucous membrane. Vitamins slip straight through without being absorbed. Going gluten-free doesn't help, because the problem isn't gluten – the problem is that your gut is so permeable it reacts to almost everything.

It's like a house with a leaky roof. You can put in the most beautiful furniture – but as long as the roof is leaking, everything gets wet.

Many experts now agree: people with gut problems always have leaky gut as well. Even when test markers like zonulin only show "borderline" results.

The reassuring news, though? We can "patch up" our gut again. And with that, dissolve our IBS symptoms step by step into thin air.

How? You're about to find out…

Repairing the gut naturally – but how?

You've probably already heard of collagen. Beauty bloggers rave about it for firm skin. And perhaps you've even tried it yourself…

But did you also know that collagen can repair a leaky gut?

Exactly…

Because collagen is made up of special amino acids – particularly glycine, glutamine and proline. And according to dozens of scientific studies, these are precisely the amino acids your gut needs to repair itself:

Glycine seals the tight junctions – it can literally repair the "locks" between your gut cells (studies: Samonina 2000, Razak 2017). It protects the intestinal lining from free radicals and can repair damage there.

Glutamine is the primary energy source for your gut cells. It regulates the permeability of the intestinal wall and maintains the barrier. Studies show: 70% of all the glutamine you consume is immediately used up by your gut cells – that's how important it is.

Proline and Hydroxyproline promote wound healing and strengthen the immune system.

Sounds perfect, doesn't it?

Well, there's still one problem. And it's not a small one.

Why off-the-shelf collagen rarely helps – and which home remedy hits the reset button for your leaky gut (reducing bloating and IBS symptoms in weeks)

When we used to fall ill, there was one thing Grandma almost always made: Bone broth.

The big pot simmered on the hob for hours on end. The whole flat smelled of it. "It heals from the inside," she'd say. And she was right – even if she didn't know the science behind it.

What Grandma knew instinctively, modern research now confirms:

In January 2025 – so very recently – scientists published an article on PubMed entitled: "Bone Broth Benefits: How Its Nutrients Fortify Gut Barrier in Health and Disease" (Bone Broth Benefits: How Its Nutrients Fortify the Gut Barrier in Health and Disease).

The result: Bone broth isn't just a traditional remedy – it can scientifically and demonstrably repair our gut!

The researchers state: "Bone broth contains amino acids (glutamine, glycine, proline, histidine, arginine) and minerals (Ca, P, K, Mg, Zn) that have been shown to improve gut health, reduce inflammation in the intestinal barrier and restore gut function in both healthy and diseased states."

But what makes bone broth so healing?

When you cook bones – ideally with cartilage, tendons and a bit of meat – for many hours (ideally 18–24 hours), something magical happens…

The heat and water extract everything from the bones:

  • Collagen from bones, cartilage and connective tissue
  • Glycine, glutamine, proline – the amino acids
  • All 20 amino acids in their natural ratio
  • Minerals (calcium, magnesium, potassium, zinc, phosphorus)
  • Hyaluronic acid from cartilage
  • Healthy fats from bone marrow (omega-3)

The result: A nutrient-dense liquid that sets into a jelly when cooled – a sure sign of high collagen content.

And here's the crucial difference compared to isolated collagen powders:

Bone broth contains the complete natural matrix . Not an isolated molecule, but the synergy of all nutrients, just as nature intended. Your body recognises this natural form. It can absorb and utilise it optimally.

Science confirms what Grandma always knew:

  • A 2022 study (Wang et al., Frontiers in Nutrition) showed that nanoparticles from pork bone broth significantly reduced colitis (intestinal inflammation) and positively regulated gut flora.
  • Another study (European Journal of Pharmaceutical Sciences, 2016) found that type I collagen and collagen peptides considerably reduced intestinal permeability.
  • Researchers write in studies on the effects of glycine on the gut: it can alleviate inflammation and further seal the permeable intestinal wall

The 2-Phase Mechanism: Why Bone Broth Really Works , to eliminate the root cause of our irritable bowel for good

Unlike isolated supplements, bone broth works in two successive phases that build upon each other:

PHASE 1: SEAL THE GUT (Weeks 1–2)

The glycine-glutamine combination in bone broth does what no isolated supplement can:

  • Glycine seals the tight junctions – it can repair the "locks" between your gut cells and stop the "leak" (studies: Samonina 2000, Razak 2017)
  • Glutamine feeds your gut cells – it provides energy for regeneration and can restore the barrier
  • Proline reduces inflammation – it calms the overactive immune system
  • Hyaluronic acid brings the digestive tract "back into balance" – it acts like a lubricant for the irritated mucous membrane

Result: Your gut is sealed again. The barrier is functioning. Toxins and bacteria stay out. The chronic inflammation subsides.

PHASE 2: SYSTEMIC REGENERATION (Week 3+)

Now that the gut barrier is strengthened again, your body can finally absorb the nutrients:

  • 205 g collagen (in a high-quality concentrate) rebuilds the intestinal lining
  • 20 amino acids in their natural ratio repair tissue throughout the entire body
  • Natural minerals act as co-factors for enzymatic processes
  • Omega-3 fatty acids from bone marrow support cellular health

The result for many?

  • Bloating and intolerances subside
  • Your digestion normalises
  • We have more energy again, and the body absorbs more nutrients once more
  • Your immune system strengthens

This is the difference: bone broth can FIRST repair the foundation (the gut), and THEN regenerate systemically. An isolated collagen powder simply can't do that. It assumes your gut is already functioning. But it isn't.

But – and unfortunately this is also true – not all bone broths are created equal...

Before you rush off and buy just any bone broth: Stop.

Because – most of the ones you'll find in the supermarket are worthless for your gut.

How do you spot a poor-quality broth?

Short cooking time (1–3 hours): Barely any collagen extracted, hardly any amino acids
Low protein content: Under 2 g per 100 ml = too little collagen
Stays liquid in the fridge: No jelly = no collagen
❌Full of additives: MSG, yeast extract, flavour enhancers instead of real nutrients

Most ready-made broths in jars also cost £2–4 per serving – far too expensive for daily use over weeks.

What makes a therapeutically effective broth?

At least 18–24 hours of cooking time: This is the only way to release all the nutrients from the bones
High collagen content: At least 4–5 g of collagen per serving
Sets into a jelly: The most important quality indicator – real collagen sets into a gel when cooled
Organic, pasture-raised: No antibiotics, no hormones, free-range rearing
Only natural ingredients: Bones, water, perhaps salt and vegetables – nothing else

And why not make it yourself?

"I'll just make it myself then," you might think. In theory, a great idea!
But in practice, it's a problem for many of us:

  • 24 hours of cooking time means: the pot has to sit on the hob day and night
  • The entire flat ends up smelling strongly of bones
  • You need high-quality organic bones (not easy to get hold of)
  • The time investment is enormous
  • And let's be honest: who actually does this every single week?

What do we recommend to avoid constantly cooking yourself – but also not constantly ordering expensive ready-made broth? A high-quality concentrate.

What if you could harness the therapeutic power of a 24-hour bone broth in just 3 seconds?

That's exactly what a genuine bone broth concentrate delivers. The authentic 24-hour broth is simmered down until it becomes highly concentrated – a jelly in a jar. A single teaspoon is equivalent to a full cup of ready-made broth.

And that teaspoon is simply stirred into hot water – and your bone broth is ready!

This brand is regarded as the original bone broth in the UK (And that's exactly why it's so effective for IBS symptoms!)

You may have already heard of Brox.

The Brox founders experienced first-hand how the modern diet weakens the body. Ready meals, stress, no time for real cooking. They remembered their grandmother's healing wisdom – the bone broth that had been nursing the sick back to health for centuries.

The problem: nobody has time for 24 hours of cooking these days.

The solution: what if we perfected Grandma's recipe and brought it into the modern age – without compromising on quality?

Brox is now the original and the best-known brand for bone broth concentrate in the UK.

What makes this manufacturer so effective for IBS?

The crucial difference lies in the production process: Whilst cheap supermarket broths are taken off the heat after just 2–3 hours (meaning they contain barely any collagen), Brox simmers its organic grass-fed bones for a full 24 hours. Only then do the amino acids – glycine, glutamine, proline – fully release from the bones.

The result: 205 g of pure collagen per jar – that's 46 therapeutic servings with 4.5 g of collagen each. By comparison: most ready-made broths deliver a mere 1–2 g per serving. And Brox achieves this with just 3 ingredients : organic beef bones (70%), water and sea salt. No flavour enhancers, no artificial additives.

NEW: Get Brox bone broth concentrate delivered straight to your door – 1 jar contains a full 44 servings of gut-friendly broth

Bone Brox is offering you an exclusive introductory deal – at a reduced introductory price with 25% off and a genuine 60-day guarantee.

Simply click the button below this section.

You'll receive

  • 205 g of pure Brox bone broth concentrate (enough for over 40 servings of bone broth!)
  • 60-day money-back guarantee – no ifs, no buts
  • Available for a limited time only
Brox Bone Broth Concentrate

Brox Bone Broth Concentrate for a resilient gut

4.4 Stars

1 jar contains a full 44 servings of the finest broth!

  • Free delivery, typically arrives the next day

  • Pay later – Easy payment by invoice

  • 100% satisfaction guarantee – for 60 days

Conclusion: Your irritable bowel can heal itself – if you give it the right support

Irritable bowel syndrome, heartburn, stomach pain, bloating, intolerances – none of these are "psychological problems", nor are they things you simply have to live with. They are symptoms of a permeable gut – a Leaky Gut.

Studies now show: when Leaky Gut is resolved, irritable bowel symptoms often disappear too

Premium-quality bone broth is excellently suited to helping the gut regenerate on its own. When bones are simmered for 18–24 hours, amino acids such as glycine, glutamine and proline are fully released. These repair the damaged tight junctions between intestinal cells – restoring the barrier's integrity. And the finest bone broth delivers collagen and 20 amino acids – the building blocks for regeneration of the intestinal mucosa.

But let's be honest: 24 hours of cooking is unrealistic for most people. Ready-made broths from the supermarket are inferior. Brox solves this with a concentrate: one jar provides 46 servings of premium bone broth for under £1 per serving. One teaspoon in hot water, 3 seconds to prepare.

Studies

1. Wang et al. 2022 – Pork bone soup nanoparticles & colitis
https://pubmed.ncbi.nlm.nih.gov/35425794/
2. Glutamine has been proven to seal a leaky gut wall
https://pubmed.ncbi.nlm.nih.gov/19234343/
3. Glycine protects intestinal cells from damage
https://pubmed.ncbi.nlm.nih.gov/28929384/

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Lanuvi was founded on the conviction that sustainable health, mental strength and inner balance are central pillars of a fulfilling life. Knowledge alone is often not enough – what matters is putting it into practice. That is why Lanuvi curates well-researched, clearly structured content that helps people identify what truly matters and apply it in everyday life. Our authors and expert sources combine the latest findings with practical relevance – whether the topic is sleep, hormonal balance, mental resilience or modern longevity.

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Written By:  Theresa Hawkins Health & Longevity Expert | Senior Editor

Theresa Hawkins is a health and longevity expert at Lanuvi, guiding readers with well-founded, practical insights on their journey towards greater vitality, balance and inner strength. Her focus lies on holistic strategies for life extension, hormonal health and mental recovery – always evidence-based yet explained in an accessible way. With a background in health psychology and a keen eye for trends that truly have substance, she writes at Lanuvi about self-care, healthy routines, modern longevity research and sustainable living. Her belief: those who look after themselves wisely don't just live longer – they live more consciously.

Theresa Hawkins is a health and longevity expert at Lanuvi, guiding readers with well-founded, practical insights on their journey towards greater vitality, balance and inner strength. Her focus lies on holistic strategies for life extension, hormonal health and mental recovery – always evidence-based yet explained in an accessible way. With a background in health psychology and a keen eye for trends that truly have substance, she writes at Lanuvi about self-care, healthy routines, modern longevity research and sustainable living. Her belief: those who look after themselves wisely don't just live longer – they live more consciously.

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