Introducing the IS382 COMPLETE Food Sensitivity, Allergy & Tolerance Test We proudly offer the IS382 COMPLETE Test & a revolutionary tool designed specifically for Chiropractors and Nutritional Practitioners. This is the only test in the world that analyzes four critical immune markers: IgG, IgE, IgG4, and the C3d Complement Protein & offering an unparalleled level of insight into your patients immune responses to food. With this test, practitioners receive clear, actionable guidance on each patient’s dietary needs, including: Which foods are safe for daily consumption?