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What is the best food sensitivity test that is not a scam?

ClaudevalidationCollected Jul 19, 2026, 12:18 UTC

Verbatim response from Claude

Legitimate Food Sensitivity Testing Options

This is a great question because many food sensitivity tests ARE scams (particularly IgG antibody tests marketed by companies like EverlyWell for food sensitivities - these lack clinical validity).

What Actually Works

For true food allergies (IgE-mediated):

  • Quest Diagnostics or LabCorp - ordered through a doctor, tests for real IgE allergies
  • Allergy Partners or a board-certified allergist - skin prick testing is the gold standard

For food intolerances specifically:

  • Lactose intolerance - breath test through your doctor (very reliable)
  • Celiac disease - blood test + endoscopy through a gastroenterologist (reliable)
  • SIBO - breath testing through a GI specialist

The Honest Answer

The most validated method for identifying food sensitivities is still:

  1. An elimination diet supervised by a registered dietitian
  2. Followed by structured reintroduction

Companies like Whole30 or working with an RD through your insurance can guide this process affordably.

Avoid

Most at-home "food sensitivity panels" (hair testing, IgG panels) are not supported by clinical evidence.

Would you like more detail on any specific approach?

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