Free Shipping on Orders $120+Ships Fast from the U.S.Doctor-Formulated & Clinically TestedTrusted by Families NationwideFree Shipping on Orders $120+Ships Fast from the U.S.Doctor-Formulated & Clinically TestedTrusted by Families Nationwide
The 96 IgG4 Food Sensitivity Panel by US BioTek tests for IgG, IgG4, IgA, and C3d antibody reactions across 96 essential food analytes, identifying hidden food sensitivities that may be contributing to chronic symptoms.
specimens tested in duplicate. Key components extracted from each analyte to ensure antibodies bind properly, validated with positive and negative controls. Values measured via spectrophotometric analysis, directly proportional to analyte concentration.
1Order the collection kit (ships within 1 business day)
2Collect sample at home — simple finger prick for dried blood spot
3Ship sample back with prepaid return label included
4Receive comprehensive results with detailed food-by-food reactivity levels
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SAMPLE COLLECTION
Dried Blood Spot or Serum, IgG: 4 blood spots or 1 ml serum, IgA: 6 blood spots or 1 ml serum, IgG4: 6 blood spots or 1 ml serum, C3d: 8 blood spots (16 markers only) or 1 ml serum
Each kit includes step-by-step instructions. You collect your sample at home, then mail it to the lab using the prepaid shipping label. Results are typically available within 2–3 weeks.
Do I need a doctor to order this?+
No. Purety Clinic kits are ordered directly. Once your results are back, we recommend reviewing them with a qualified healthcare provider who can help interpret findings.
Is my sample kept private?+
Yes. All samples are processed by CLIA-certified labs and results are sent to you directly through a secure portal.
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