Test Your Intolerance provide food intolerance and food allergy testing on over 725 items. If you are suffering from stomach cramps, rashes, migraines or other undiagnosed symptoms, you could be suffering from an allergy or intolerance. Our company has tested over 400,000 samples worldwide in the last 10 years and use controlled labs to test hair sampled and provide results in 7-10 working days of receipt in our laboratories in the UK. Discover your intolerance or foos sensitivities in one simple test.