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IntoleranceLab is a UK-based company offering hair sample analysis to help customers identify potential food and non-food intolerances. Results are delivered within three days of receiving the sample, providing a prioritised list of items to consider eliminating from one's diet.

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At a glance

About IntoleranceLab

Turnaround time
Results within 3 days of receiving the hair sample
Items tested
700+ food and non-food allergens and toxins
Price from
£49
Sample method
9 to 10 strands of hair sent by post
Founded
6 November 2017
Headquarters
Jarrow, Tyne and Wear, United Kingdom
Customer service
Email: [email protected], reply within one working day
Google rating
4.1 out of 5 (66 reviews)
IntoleranceLab is operated by David and Leah Hall from a laboratory in Jarrow, Tyne and Wear, and has been screening hair samples since 2017. The service targets adults in the UK who experience unexplained digestive discomfort, bloating, or related symptoms and are looking for a starting point to investigate possible dietary triggers. At £49 for over 700 items tested, the offering sits in the accessible mid-range, positioned as a self-directed first step rather than a clinical diagnosis. The company is transparent that its hair analysis produces a screening report intended to guide an elimination trial, not a medical finding, and actively refers customers to their GP for persistent or serious symptoms.
September 2026

Active promotions

Ready to use with your order at IntoleranceLab.

Introductory discount on the platinum testing package for first-time customers, covering an expanded range of intolerance categories.
To the shop
Bundle offer combining a standard hair intolerance screen with a follow-up consultation or detailed dietary guidance report at a reduced combined price.
To the shop
Recent

IntoleranceLab in the news

Recent updates and background about IntoleranceLab, summarised in our own words.

Kantesti AI Blood Test Analyzer

Which Blood Tests Are Relevant for Heat Intolerance

This item discusses the connection between blood testing and heat intolerance, with a focus on which laboratory values may be relevant. It also references an AI-based tool for analyzing blood test results.

IntoleranceLab

Why Does Beef Upset My Stomach When Pork Does Not?

IntoleranceLab published a practical comparison of beef and pork for UK consumers, covering portions, cuts, cooking methods and food labelling. The article also outlines when a possible allergy warrants a visit to a GP.

IntoleranceLab

Alpha-gal Syndrome UK: Tick Bites, Red Meat and What to Know

A blog post from IntoleranceLab explains alpha-gal syndrome, a possible food allergy triggered by tick bites rather than a dietary intolerance, and outlines the UK clinical route for diagnosis. The article clarifies that a hair intolerance screen cannot test for this condition.

Summaries by Image Review based on publicly available sources and our own editing. External links may contain affiliate links.

Frequently asked questions

What others ask about IntoleranceLab

Answers to the most common questions, based on search behaviour and our own research.

Is IntoleranceLab a trustworthy company?

IntoleranceLab is a limited company registered in England and Wales (company number 11049115) and has been operating since 2017. It holds a 4.1 out of 5 rating on Google based on 66 reviews, and the company is transparent that its reports are screening tools rather than medical diagnoses.

How long does it take to get results from IntoleranceLab?

IntoleranceLab aims to deliver results within three days of receiving the hair sample. Customers send 9 to 10 strands of hair in a standard envelope using regular UK postage, with no test kit required.

What does the IntoleranceLab report actually tell you?

The report provides a prioritised list of foods and non-food items that the screening identifies as having an 85% or greater chance of being problematic for the individual. It is a starting point for a personal elimination trial and does not constitute a clinical diagnosis or medical advice.

How do I contact IntoleranceLab if I have a question about my order?

The fastest way to reach IntoleranceLab is by email at [email protected]. The team aims to respond within one working day, and customers chasing results are advised to include the name the order was placed under and approximately when they ordered.

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