Our Food IgG Analysis service measures Immunoglobulin G (IgG) antibody levels in response to various food proteins. This type of testing is commonly used to explore potential food sensitivities or delayed immune-mediated reactions that may contribute to symptoms such as digestive discomfort, headaches, skin irritation, or low-grade inflammation.
Food IgG testing measures Immunoglobulin G (IgG) antibodies that your immune system may produce in response to specific foods. Elevated IgG levels can sometimes indicate potential food sensitivities or delayed reactions.
No. Food IgG testing does not diagnose true food allergies (which involve IgE antibodies and can cause immediate reactions). IgG relates more to possible sensitivities or delayed immune responses, not life-threatening allergies.
A small blood sample is collected and analyzed in the lab using immunoassay technology. Antibody levels are measured against a wide panel of common foods.
Results are presented in categories (low, moderate, or high reactivity). Foods in the higher-reactive categories may be considered for temporary elimination or rotation in a diet plan.
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