Corn Intolerance

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    FirstStep Test

    The FirstStep Test is a simple and convenient home to laboratory test. Clear ‘yes or no’ indicator of food intolerance* before you decide to progress to a full programme to investigate your individual problem foods.

    Key benefits

    • Simple ‘yes or no’ indicator of food intolerance*
    • Convenient home to laboratory testing service
    • If positive, the price is deducted from the cost of your Complete YorkTest Programme

    Only

    £9.99

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  • Problems Associated with Foods

    Could you be suffering from food intolerance? Find out about the common symptoms.

    Symptoms of intolerance
  • 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.

    More about YorkTest