Verbatim response from Claude
Legitimate Food Sensitivity Testing Options
The honest answer first: most at-home food sensitivity (IgG) tests have weak scientific support. Major medical organizations like the American Academy of Allergy, Asthma & Immunology consider IgG testing unreliable for diagnosing food sensitivities.
What Actually Works
For true food allergies (IgE-based):
- See an allergist for skin prick tests or blood tests - this is the gold standard and insurance often covers it
- Quest Diagnostics or LabCorp offer physician-ordered blood allergy panels
For food intolerances specifically:
- Hydrogen breath tests (doctor-ordered) for lactose or fructose intolerance - genuinely reliable
- Elimination diets guided by a registered dietitian - still considered the most accurate method overall
At-Home Options With Some Credibility
- Everlywell Food Sensitivity Test - widely available, but understand you're getting IgG results with limited clinical validation
- Vibrant America - used by some functional medicine doctors, more comprehensive panels
My Honest Recommendation
Spend the money on a registered dietitian who can guide an elimination/reintroduction protocol. This is genuinely the most evidence-based approach and gives you actionable results.
Would you like help narrowing down based on a specific symptom?