There are numerous possible food allergies and sensitivities and if you have a varied diet it can be very challenging to pinpoint what food your body is reacting poorly to. if you have unexplained symptoms, the cerascreen® extensive food sensitivity test can offer you a great initial indication of problematic foods. Using our sample collection and send-in kit for at-home use, take a small blood sample to find out if you react with antibodies to the foods that cause the majority of allergies and sensitivities. Our lab tests the concentration of ig e and ig g4 antibodies in your blood, giving you an indication of a possible sensitivity. For a conclusive diagnosis of an allergy, you should speak with your doctor.