Our Research

At YorkTest we constantly review our procedures to ensure that we are delivering the highest standard of service, from our Laboratory to the Customer Care Team. We are passionate about maintaining our position at the forefront of the industry, and building upon over 35 years of excellence.

A vital part of this has been our research work which has shaped and directed the way in which we conduct our food intolerance testing services, providing us with critical knowledge needed to help optimise our customer’s diet and well being. Our studies are available below and give insight into the work we do at YorkTest and what it could mean for you.

Sports Performance

Gut Microbiota, IgG-Guided Elimination Diet and Sports Performance

Our Scientific Director Dr Gill Hart published a paper on how diet plays a key role in an active person’s preparation, competition and recovery strategies.  Read More >>

Food Intolerance and IBS

Peer-reviewed & Published Paper January 2018

Read this new peer-reviewed published paper which provides information about the benefit of food-specific IgG-guided elimination diet for those with IBS. Written by our Scientific Director Dr Gill Hart. Read More >>

IBS Clinical Trial

A clinical trial, published in the medical journal GUT, focused on diagnosed sufferers of Irritable Bowel Syndrome. Read More >>

Food Intolerance and Mental Health

Peer-reviewed Paper 2017

A peer-reviewed paper by our Scientific Director, Dr Gill Hart, which provides information about the evidence linking diet and gut health to mental health symptoms, and the role for an IgG-guided elimination diet. Read More >>

Weight Loss

There are countless dietary programmes on the market, but none of them recognises the possibility that certain foods, even healthy ones like tomatoes or carrots, could be problematic if they trigger an immune system response in overweight individuals. Eliminating foods that are IgG-reactive, while replacing them with similar, non-reactive foods to ensure that nutrient deficiencies do not occur, is a relatively new concept for a diet. This new published paper examines the viability of a food-specific IgG guided elimination diet as a weight loss strategy. Read More >>

YorkTest Survey

University of York Study

Survey of over 5000 people taking the YorkTest food intolerance programme; commissioned by Allergy UK and feedback analysed by the University of York. Read More >>

Migraine Research

Migraine Study 2005

A prospective audit looked at migraine sufferers to determine whether eliminating the foods highlighted in the result of a YorkTest food-specific IgG antibody test could improve their condition. Read More >>

Migraine Study 2011

Research from the University of York further supported the finding of the 2005 Migraine Audit. Read More >>

Migraine Survey 2011

UK charity Migraine Action surveyed 1,000 migraine sufferers, revealing that over two thirds of members. Read More >>

35 years of scientific expertise


Our fully audited and certified laboratory places us at the forefront of scientific innovation.

158 foods tested

Our comprehensive testing service provides customers with actionable information to help optimise their diet and wellbeing.


With over 35 years of experience in scientific innovation, we have a strong heritage of invaluable knowledge, research and expertise.

Our awards include:

Fast 50 Growth Company

Certification ISO 13485:2016

European In Vitro Diagnostic Directive 98/79/EC