What should I know about IgG Unverträglichkeit Senioren?

IgG food sensitivity tests are controversial and not clinically validated for diagnosing intolerances, especially in seniors. Elevated IgG levels often indicate normal immune exposure rather than pathology. In older adults, age-related gut microbiome shifts, polypharmacy, and reduced kidney function can mimic food intolerance symptoms. Relying on IgG panels may lead to unnecessary dietary restrictions and nutritional risks. Evidence-based approaches include targeted breath tests (lactose, fructose) and elimination diets under medical supervision. Evidence: mechanistic/marketing, not strong clinical validity.