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IgG Blood Test

Type

Blood Testing

Biomarkers

1

Duration

30 min

Results

7 days

Measures Immunoglobulin G (IgG) antibody levels in the blood.

Immunoglobulin G (IgG) is the most common type of antibody in your blood. This test measures your Immunoglobulin G levels. Understanding IgG levels can be important for assessing immune function and identifying potential immune deficiencies or disorders. The test is simple and non-invasive, providing valuable insights into your overall health. Results can help guide treatment decisions and monitor the effectiveness of therapies.

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.

Biomarkers Tested

1
IgG mg/dL

Immunoglobulin G (IgG) is the most common type of antibody in the blood, important for fighting bacterial and viral infections.

Price
£31.20 £39.00

Subscription plans and discounts (up to 20% off)

Category
Diagnostic
Sample Type
Blood draw
Duration
30 min
Results
7 days
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Frequently Asked Questions