Your gut problem might not be a gut problem

Digestion is governed by your nervous system. When you're exhausted, anxious, or running on empty, your gut doesn't stand a chance. Yona works on the system that runs digestion, not just the symptoms it produces.

2,200+ Gut Happy Customers

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When the nervous system settles, the gut follows. These are the people who found that out for themselves.

"I’ve had IBS for about 15 years tried every thing this is the only thing that seems to work"

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Built with intention. Backed by physiology.

Yona is formulated around one principle: support the system that runs digestion.

Every ingredient is selected for its role in nervous system regulation, cellular energy production, and gut signalling. Clean formulation. Clinical rationale. No unnecessary fillers.

Because when the system is supported, everything downstream works better.

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Formulated with practitioners working at the clinical edge of gut dysfunction

Yona’s protocol is developed alongside clinicians and nutrition practitioners specialising in autonomic regulation, digestive dysfunction, and nutrient repletion, ensuring each formulation reflects real-world patient patterns, not theoretical models.

Dr Alisha Damani, MBChB
Clinical Advisor 

An award-winning Medical Doctor and High Performance Coach with specialist expertise in autonomic nervous system regulation and its impact on digestive function.


Dr. Alisha Damani focuses on how stress physiology and vagal signalling influence real-world symptom presentation, particularly in individuals with persistent or treatment-resistant digestive issues.

 

She supports Yona’s protocol development by ensuring the approach reflects how symptoms actually present in clinical and high-performance settings, helping bridge the gap between theoretical mechanisms and real patient experience.

David McCollum, Cert Nat ANP
Clinical Nutritionist

A certified Gut Health Practitioner with over 25 years of experience in clinical nutrition and functional health.


David McCollum specialises in complex digestive dysfunction, nervous system recovery, and targeted nutrient repletion, with a focus on individuals who have not responded to conventional approaches.

 

He leads Yona’s formulation and protocol sequencing, ensuring each phase reflects real-world case experience and supports a structured, progressive approach to recovery.

Hear From a Yona Customer

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