Biotrition, Inc. is a clinical laboratory with a CLIA license. It offers food intolerance testing only by referral from licensed physicians. It offers dietary counsel based upon the results of the food intolerance testing, but counsel is not intended as a substitute for medical treatment for any person suffering from an ailment, disease or illness. Appointments: If you are interested in having this test done, please call us at 847-640-1377  to schedule an appointment. Or, contact us at director@biotrition.com with your physician information (name and address) so that we can mail a blood drawing kit to them. In turn you make an appointment with your doctor to have your blood drawn. Note - a prescription from a licensed physician is required for this test.