The Quick Environmental Exposure and Sensitivity Inventory (QEESI) is a validated questionnaire for chemical intolerance and the most widely used screening instrument available for personal use. Researchers and clinicians around the world use the QEESI to document symptoms and intolerances. People who use the QEESI find it helpful for self-assessment. It’s also a useful tool for you to take to your doctor to explain your exposures and symptoms.

The Brief Environmental Exposure and Sensitivity Inventory (BREESI) is a 3-item screener for chemical intolerance with excellent predictive validity. It’s a useful tool for a quick assessment for TILT. Ideal for personal or doctor office assessments and epidemiological studies.