IgG Food Sensitivities
IgG Food Sensitivities explained
IgG Food Sensitivities panels measure IgG antibodies to foods; results are controversial and not diagnostic of allergy. IgE testing and clinical history remain standard for allergies.
Varies by lab; many are LDTs; not FDA‑approved for diagnosing allergyIgG Food Sensitivities helps treat
• Exploring non‑IgE food responses (controversial)
• Identifying elimination diet trials
• Providing discussion points with clinicians
additional medications
• Related clinical evaluation and history
• Repeat testing to confirm abnormal results
• Additional targeted labs as recommended
medication risks
• False positives/negatives leading to unnecessary anxiety or missed diagnoses
• Privacy and insurance implications depending on results
• Pre‑analytical variables (fasting, meds) can affect accuracy
side effects
• Bruising or soreness at draw site
• Lightheadedness or fainting (rare)
• Infection at puncture site (very rare)
FAQs
Q: Is this an allergy test?A: No—IgG is not the same as IgE allergy testing.
Q: Are results clinical proof?
A: No—use cautiously and in context; elimination/rechallenge is more informative.
Q: Who should avoid this?
A: Those expecting definitive answers for allergy should use guideline‑based allergy workups.
Q: Insurance coverage?
A: Often not covered.
Q: What next after a result?
A: Discuss with a clinician/dietitian before making major diet changes.
