Healthi-Life Longevity Center Healthi-Life Longevity Center

IgG4 Food Sensitivity Test - 272 Allergens

Type

Blood Testing

Duration

30 min

Results

7 days

Advanced precision testing for delayed food sensitivities with expanded 272-allergen panel. IgG4-specific antibody testing for most accurate delayed sensitivity detection. Identifies food-induced inflammation and immune reactions not detected by standard IgE allergy testing. Comprehensive coverage of common and uncommon food allergens. Premium test for complex cases with chronic symptoms. Detailed analysis with personalized elimination diet recommendations.

Allergy and food sensitivity testing measures your immune system's response to specific substances. IgE-mediated allergy tests detect true allergies — immediate immune reactions that can cause hives, swelling, breathing difficulty, or anaphylaxis. IgG food sensitivity tests measure delayed immune responses that may contribute to chronic symptoms like bloating, fatigue, headaches, or skin issues hours to days after eating trigger foods. While IgE allergy testing is well-established in clinical medicine, IgG food sensitivity testing is a growing area that many functional and integrative practitioners use as a guide for elimination diets. These tests can help identify triggers that are difficult to pinpoint through observation alone.

Key Details

Allergens Tested
20–200+ substances (varies by panel)
Fasting Required
No
Sample Type
Blood draw
Turnaround
5–10 business days
Common Use
Allergy mapping, elimination diet guidance

Who Is This For?

People experiencing unexplained digestive issues, skin problems, or chronic fatigue that may be food-related. Anyone with known allergies who wants comprehensive mapping of their triggers. Parents investigating potential food sensitivities in children. People considering an elimination diet and wanting data to guide which foods to remove.

What's Included

IgE and/or IgG antibody measurement
Panel of common allergens (varies by provider)
Results ranked by reactivity level

Preparation Required

No fasting required. Continue eating your normal diet for at least 2–4 weeks before testing — avoiding suspected trigger foods can cause false negatives. Inform the clinic of any antihistamines or immunosuppressants you're taking, as these can affect results.

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Frequently Asked Questions