Verbatim response from Claude
Legitimate Food Sensitivity Testing Options
This is a great question because many food sensitivity tests ARE misleading, so it's worth being careful.
Most Reliable Options:
For true food allergies (IgE-mediated):
- RAST/ImmunoCAP testing through your doctor or allergist - this is the gold standard for actual allergies
- Skin prick testing by an allergist - highly accurate for true allergic reactions
For legitimate at-home panels:
- Everlywell Food Sensitivity Test - tests IgG antibodies, widely available, but see caveat below
- US BioTek - used by functional medicine practitioners, more clinical approach
Important Honest Caveats:
IgG-based tests (most consumer "sensitivity" tests) are controversial - major allergy organizations like the AAAAI note that IgG reactivity can simply indicate food exposure, not intolerance. Results can be misleading.
What Actually Works Better:
- Elimination diet followed by reintroduction - considered the most reliable method by gastroenterologists
- Working with a registered dietitian to guide the process
- Testing for celiac disease (blood test + biopsy) if gluten is a concern
Bottom line: See a doctor or allergist first. Most consumer sensitivity tests have significant scientific limitations.