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:
Elimination Diet (Gold Standard)
- Not a product, but the most scientifically validated method
- Work with a registered dietitian to systematically remove and reintroduce foods
- Services like Zoe combine this with gut microbiome testing for personalization
Allergy Testing (if allergies are suspected)
- Quest Diagnostics or LabCorp – ordered through your doctor, tests IgE antibodies for true allergies
- ALCAT Test – measures cellular reactions, has some clinical backing though still debated
Be Skeptical Of:
- IgG antibody tests (like Everlywell's food sensitivity panel) – major allergy organizations say elevated IgG just shows exposure, not intolerance
- Hair analysis tests – no scientific validity
- Bioresonance testing – not evidence-based
Honest Recommendation:
See a gastroenterologist or allergist first, then work with a registered dietitian for an elimination protocol. This costs similar to or less than many at-home tests and is far more reliable.
Everlywell and similar at-home IgG tests are generally considered not clinically meaningful by mainstream medical organizations.