Trusted by thousands of Gut-Happy Users

Gut Barrier+ | Advanced support after Vagus+

Designed to complement Vagus+

More than probiotics alone

No harsh herbs or aggressive cleansing ingredients

Built for sensitive digestive systems

"Balancing the autonomic nervous system plays a crucial role in gut health. With Yona, I've found improvement in many issues like bloating, constipation, diarrhoea and gut related inflammation"

David McCollum | Clinical Nutritionist | Gut Health Practitioner

Choose Your Plan

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Expected delivery Jun 11 - Jun 13
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Delivered by Royal Mail or Yodel

PayPal and Klarna available

Is This For You

Gut Barrier+ may be a good fit if you already understand the Yona approach and want to add direct gut environment support alongside Vagus+

 

Vagus+ supports the upstream nervous system and gut-brain connection. Gut Barrier+ supports the gut environment itself.

 

This may be for you if:

  • You already use Vagus+ and want additional gut-focused support
  • You want a broader formula than probiotics alone
  • You prefer a gentle approach without harsh herbal blends
  • You want direct gut environment support as part of your routine
  • You are building a longer-term digestive support plan

This may not be for you if:

  • You are looking for an overnight fix
  • You want an aggressive cleanse, detox, or antimicrobial protocol
  • You are looking for a vegan or vegetarian product
  • You expect one supplement to replace medical advice or treatment

Benefits

Gut Barrier+ is the direct gut support layer of the Yona system.

It was designed to complement Vagus+ with four carefully selected ingredients used in advanced digestive support routines.

 

Why customers choose Gut Barrier+

  • Direct support for the gut environment
  • A broader approach than probiotics alone
  • Designed to complement Vagus+
  • Four targeted gut-support ingredients
  • No harsh herbs or aggressive cleansing ingredients
  • Suitable for people building a consistent gut support routine

Delivery & Return

We ship orders from the UK using Royal Mail or Yodel.

 

Estimated delivery is usually within 1-3 days. There is an option for expedited shipping at checkout. Please contact us on WhatsApp +447767211135 or by email at hello@meetyona.co.uk

 

FAQs

How is Gut Barrier+ different from Vagus+?

Vagus+ is the foundation of the Yona system. It supports the upstream nervous system and gut-brain connection.

Gut Barrier+ works more directly on the gut environment itself.

 

Do I need both?

Not always.

If you are new to Yona, we usually recommend starting with Vagus+ first. Gut Barrier+ is best for people who want additional direct gut support alongside Vagus+.

 

Is Gut Barrier+ a probiotic?

No. It is not a standard probiotic.

It contains Saccharomyces boulardii, a beneficial yeast, alongside sodium butyrate, zinc carnosine, and serum-derived bovine immunoglobulin.

 

How do I take it?

Take 3 capsules daily. Sensitive users may prefer to start gently and build consistency over time.

 

Is it vegan or vegetarian?

No. Gut Barrier+ contains serum-derived bovine immunoglobulin, so it is not suitable for vegans or vegetarians.

 

Can I take it with medication?

If you take medication, have a medical condition, are pregnant or breastfeeding, or are under medical supervision, speak with your doctor or pharmacist before using any supplement.

 

What if I’m still taking PPIs?

Gut Barrier+ is not a replacement for medication. Do not stop or change prescribed medication without medical guidance. Please speak with your doctor or pharmacist before combining supplements with medication.

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Four targeted ingredients for gut environment support

Gut Barrier+ was created as the direct-support layer of the Yona system.

While Vagus+ supports the upstream nervous system and gut-brain connection, Gut Barrier+ focuses on the gut environment itself.

Sodium Butyrate

Fuel for the gut environment

Butyrate is a short-chain fatty acid naturally produced in the gut when certain fibres are fermented by gut bacteria.

It plays a critical role in maintaining the integrity of the intestinal barrier, promoting healthy mucus production, and reducing gut permeability (leaky gut).

Saccharomyces boulardii

A beneficial yeast for broader gut environment support

S. boulardii is a beneficial yeast that supports the gut environment. It is known for its promotion of a balanced gut microbiome and enhancing protection against pathogenic bacteria.

Zinc Carnosine

A Gut-Protective Essential Mineral

Zinc is an essential mineral. It acts as a buffer against acid and bile, protecting the mucosal lining from damage. And supports the tight junctions between intestinal cells, helping to prevent “leaky gut” syndrome.

Serum-Derived Bovine Immunoglobulin

Defense Against Toxins and Pathogens

Immunoglobulins (IgG) are naturally involved in immune function. By binding to bacteria, viruses, and other harmful substances, IgG helps to neutralise these threats and prevent them from crossing the gut barrier, thereby reducing the risk of gut inflammation and systemic immune activation.

What Should I Expect From Yona?

Week 1

Early Digestive Support

🌿 Gentle Digestive Calm

Feel the first signs of reduced bloating and tension after meals. Sleep may start to improve as your nervous system begins to relax.

Week 2

Gut-Brain Connection Awakens

💡 Less Food Sensitivity, Better Motility
Notice smoother digestion and fewer IBS flare-ups. Energy levels begin to stabilize as nutrient absorption improves.

Week 3

Energy and Wellbeing

🧠  Reduced Mealtime Tension
With vagus nerve function improving, you feel less anxious around food, and post-meal discomfort continues to fade.

Week 4-7

Ongoing Nervous System Support

⚖️ Consistent Calm, Balanced Energy
Your body is no longer stuck in “fight or flight” mode. Digestion works smoothly, energy is steady, and sleep quality improves noticeably.

Week 8-12

 Sustained Gut and Nervous System Support

🌱 Food Freedom, Calm Digestion, Natural Vitality
Enjoy meals without fear or discomfort. Bloating, constipation, and IBS flare-ups become rare or disappear entirely. You feel calm, balanced, and in control of your health again.

Week12 & Beyond:

A Stronger, Resilient You

💪 Sustained Gut Health and Emotional Balance
With your gut-brain connection restored, you experience ongoing freedom from digestive issues, greater emotional resilience, and vibrant daily energy.

Try Yona Today

Real people. Real patterns. Realistic results.

developed with science. guided by experience.

The gut health story is bigger than probiotics.

For years, the gut conversation has focused heavily on bacteria. Emerging research suggests digestion is also shaped by metabolism, motility, and nervous system signalling.

 

A large genetic study published in Gut looked at bowel movement frequency across 268,606 people.

 

The researchers found that gut rhythm may be influenced by more than bacteria alone, including pathways linked to thiamine metabolism, nerve signalling, and gut motility.

Explore the Science

286k

participants in a 2026 GWAS study

The strongest genetic signal for bowel motility was not found in the gut.

80%

of nerve signals in the gut-brain axis travel upward 

 The vagus nerve is the primary communication highway.

Start My Digestive Health Assessment →

In just a few minutes, the quiz will help you explore whether factors such as:

 

• Nervous system regulation
• Stress resilience
• Energy metabolism
• Nutrient depletion

 

may be influencing your digestion.

 

At the end, we’ll send you personalised insights and recommendations based on your answers.

 

It takes around 2-3 minutes to complete. And for many people, it reveals a piece of the puzzle that typical gut approaches overlook.

Take the Quiz

You asked. We answer.

What makes Yona different from probiotics or digestive enzymes?

Probiotics work on the bacteria in your gut. Digestive enzymes help break down food. Yona works upstream of both. Our formula is designed to support the nervous system and the vagus nerve, which is the primary pathway your brain uses to communicate with your digestive system. When that communication is under strain, no amount of probiotics will fully address it.

How does targeting the nervous system help with digestion?

Your digestive system does not operate independently. It is governed by signals from your brain, transmitted largely through the vagus nerve. When the nervous system is under prolonged stress, those signals weaken. Yona's formula is designed to support the nutrients your nervous system needs to maintain that communication clearly and consistently.

What is the vagus nerve and why does it matter?

The vagus nerve is the longest nerve in the body, running from your brainstem through your chest and into your digestive tract. It coordinates digestion, motility, and the body's ability to move into a calm, restorative state. Most gut health products do not address it at all.

How long before I notice a difference?

Most users begin to notice changes after 2-4 weeks, though Yona is designed as a 90-day protocol. The nutrients in Vagus+ work by supporting your nervous system over time, not by providing an immediate fix. Results tend to build gradually and hold more durably as a result.

Do I need to keep taking it once I feel better?

Not necessary. Some customers choose to continue as a maintenance support, others step down after completing the protocol. We recommend completing the full 90 days before making that decision, as the changes tend to consolidate in the later weeks.

Is Yona suitable for sensitive stomachs?

Yona was specifically designed with sensitivity in mind. The protocol is structured so that nervous system support comes first, before any more intensive intervention. The ingredients are in high bioavailability forms to support gentle absorption. If you have particular concerns, we recommend speaking with your GP before starting.

I've tried everything. Why would this be different?

Because it starts in a different place. Most gut health products address the gut directly. Yona addresses the nervous system that governs it. If you have tried diets, probiotics, enzymes, and still haven't found lasting relief, there is a reasonable chance the root of the issue hasn't been touched yet.

Where do you deliver and how long does it take?

We deliver across the UK via Royal Mail and Yodel. Standard delivery is free and takes 2 to 3 working days. If you need it sooner, express delivery is available for orders placed before 12pm, with next working day arrival.