88 Food Dried Blood Spot (IgE, IgG4, IgG and C3b/d)
The finger prick-based Food Allergy and Sensitivity Test (FAST) is a comprehensive panel measuring 4 distinct immune reactions (IgE, IgG, IgG4, and complement C3b/d) to 88 common food antigens.
BloodspotAt-home kit
Get a free sample report
A clear, color-coded report your practitioner uses to build your plan. Every marker is grouped, flagged, and plotted against reference ranges.
Every marker grouped by health area
Color-coded flags with reference ranges on every marker
Plain-language explanation of what each result means
Reviewed with you by the practitioner who curated this store
Video
Collecting your sample
No clinic visit needed. Watch exactly how the at-home kit works — from unboxing to dropping off your prepaid return package.
FAQ
Answers to your questions about lab testing and services.

Dr. Barbie Allegretti
Dr. Allegretti is an expert in alternative medicine. She targets symptoms at their source by taking a whole-body approach to care. The results? Changes that last.