Food intolerance can be caused by a variety of factors, including irritable bowel syndrome, food poisoning, psychological factors, and sensitivity to certain natural or organic food additives. Less than 2% of the population suffers from food allergies; however, up to 45% of the population is estimated to suffer from some form of food intolerance. At MedLabs Laboratories, we test your blood sample against 221 types of food using advanced microarray technology