Are you suffering with IBS?

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  • 30 Years of Experience

    YorkTest Laboratories have over 30 years' experience of laboratory diagnostic testing and are Europe’s leading provider of food and drink specific IgG antibody testing programmes.

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  • We Recommend…

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    FirstStep Test

    The FirstStep Test is a simple and convenient home to laboratory test. The test will give you a clear 'positive or negative' indicator of food intolerance*. If you have a positive result you may then choose to purchase one of our full programmes to investigate your individual problem foods under our expert guidance. 

    Key benefits

    • Simple ‘positive or negative’ indicator of food intolerance*
    • Convenient home to laboratory testing service with FREE delivery and return
    • If positive, the price is deducted from the cost of your Complete YorkTest Programme



  • We Recommend…

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    IBS Diet Programme

    Suffering from digestive distress? The IBS Diet Programme analyses your reactions to 158 foods and drinks, providing you with a personalised Low FODMAP plan and nutritional support to help you replace your trigger foods and optimise your diet.

    Key benefits

    • Money Back Promise -  if no reactions are identified YorkTest will refund you £304  (available when you purchase the complete programme at the RRP)
    • Expert testing of IgG antibody reactions to 158 foods and drinks
    • Simple finger prick blood test taken in the comfort of your own home
    • Convenient mail order testing kit – no need to visit our laboratory
    • Personalised list of low FODMAP foods tailored to you
    • 30 minute telephone consultation with one of our BANT* registered Nutritional Therapists
    • Comprehensive Guidebook and 12 week food and drink diary