Preparing for an IgG food intolerance test in seniors requires a critical look at the scientific evidence. IgG tests are often marketed for detecting food intolerances, but they are not recommended by major medical organizations such as the EAACI. IgG antibodies to foods are often a normal immune response and do not reliably indicate clinical intolerance. In seniors, age-related immune changes, medications, or underlying conditions can further distort results. A sensible preparation is to consult a doctor or registered dietitian before testing to clarify the indication. If the test is still performed, one should not deliberately restrict food intake beforehand, as this may skew results. More important is a nuanced interpretation: positive IgG findings do not automatically mean intolerance. Evidence-based alternatives like a symptom-based food diary or a medically supervised elimination diet are often more appropriate for seniors.
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