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Food Intolerance Testing
Do you ever feel bloated, fatigued, or just not quite yourself?
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If you struggle with bloating, acid reflux, GERD, nausea after eating, or unexplained tiredness and brain fog, you may be experiencing a food intolerance or an imbalance in your gut microbiome.
A food intolerance test helps identify which foods are triggering your symptoms, so you can restore balance, improve digestion, and feel your best again.
Your gut health plays a vital role in both physical and mental wellbeing. The gut–brain axis connects your digestive system and brain, influencing mood, emotions, and overall health.
Issues like dysbiosis—an imbalance of gut bacteria—can lead to bloating, gas, constipation, or diarrhoea. By testing for intolerances and supporting your microbiome, we create a personalised plan to promote natural healing, emotional balance, and digestive health.
With tailored nutrition, such as the low FODMAP diet or alkaline diet, you can reduce inflammation, calm the gut, and uncover the root cause of discomfort for long-term wellbeing.
About Helen
Bioresonance Therapist (EAV)
With over 20 years of experience, Helen McGinn is a trusted food intolerance practitioner in Northern Ireland.
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Qualified with the International Society of Homotoxicology in 2003, Helen now combines her
knowledge of Bioresonance testing with YorkTest IgG intolerance and IgE allergy testing to help
clients identify and manage food intolerances/sensitivities - giving clients both scientific and
holistic guidance.​
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"It's not you are what you eat, it is you are what you absorb, and that's where the problem, but also the solution lies."
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Understanding Bioresonance Testing
Bioresonance testing works by detecting energetic imbalances in the body, these imbalances
may contribute to the development of food intolerances or sensitivities. For example, if your
small intestine becomes imbalanced..how we process foods and absorb nutrients can change.
By measuring these responses, bioresonance testing helps identify foods that may be
contributing to problematic symptoms. Once identified, I provide nutritional guidance and
lifestyle support to help restore balance to the body naturally. When the body is more balanced,
the body may respond more comfortably to foods and everyday triggers.
This holistic approach allows clients to pinpoint possible food triggers and take proactive steps
toward better digestive health and vitality.
Please note that Bioresonance testing is not suitable for children aged under 4, during
pregnancy, epilepsy or anyone with a medical device such as a pacemaker.
YorkTest Food Intolerance and Allergy Testing
To offer more options, I have partnered with YorkTest, a leading UK provider of laboratory-based
blood testing for food intolerance and allergy testing kits. This partnership allows me to provide
clients anywhere in the UK with a broader range of testing choices, including IgE allergy testing
kits and IgG intolerance testing kits, and for those who may not be suitable for bioresonance
testing.
These tests provide professional and accurate results, helping you understand how specific
foods or allergens may be affecting your body.
Please note that these kits are not suitable during pregnancy or breastfeeding, or for children
under the age of four.
"I was recommended by my cousin to pay Helen a visit after complaining of bloating for over 6 weeks and upper back pain which the doctor could not pinpoint to anything other than stress or bad posture. But I was certain that there was something more to it and so decided to make an appointment with Helen. It turns out my body had an intolerance to gluten causing poor absorption and meaning I was losing out on absorbing all the good nutrients. I have since adopted a gluten free lifestyle and now 4 months later without gluten I have no bloating, my energy levels are at a new high and I have discovered some very creative alternative recipes."
- Zoe
"I found our time with Helen genuinely transformative for my family's health and well-being. I had experienced abdominal discomfort for many years and had explored many different diets to deal with this. Helen's simple yet detailed testing narrowed my issues to severe intolerance of gluten which meant I could eat accordingly with confidence and without fear. My daughters all also had various issues and Helen's testing reduced the focus to dairy, citric acid and gluten respectively meaning all are now easy to cater for. After 'diagnosis' it is completely up to you and your commitment, but if you're like me this won't be an issue."
- Julie
“I didn't really have any worry digestion signs or symptoms, but I was feeling so tired and had no energy. I had heard of Helen McGinn through a family friend and decided to give it a go. I was so impressed by her service and although nothing serious cropped up, we did identify that I was lacking some serious nutrients and fibre. I have since increased my fibre, fruit and vegetable intake. I have also cut down on alcohol consumption and the likes of fizzy drinks or any naughty treats.
My visit to Helen reinforced that what we eat really does have an impact on your body and mind. I have since adopted a much healthier lifestyle for myself and my family. We still enjoy the odd treat but we are definitely noticing the benefits.
- Sophie
Which Test is Right for You?
We offer a range of food intolerance and allergy tests to suit different needs and preferences. For those who prefer a natural, non-invasive approach, bioresonance testing provides same-day results and personalised guidance. If you want a detailed scientific analysis, the YorkTest Premium Food Intolerance Test (IgG) measures your body’s reactions to over 200 foods, while the YorkTest Allergy Test (IgE) helps identify true allergic responses linked to immune activity. For the most complete insight, Helen also offers a combined testing option that blends holistic and laboratory-based methods.
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Whether you’re seeking clarity around digestive issues, skin irritation or fatigue, there’s a testing method to help uncover the answers your body needs.
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Find out more about each option and book your preferred test below.