How are IgG Unverträglichkeitstest and Langlebigkeit related?

The relationship between IgG intolerance tests and longevity is not scientifically supported. IgG tests are often marketed as 'food intolerance tests,' but they measure IgG antibodies to foods—a normal immune response indicating exposure, not intolerance. Professional societies (e.g., DGAKI, EAACI) advise against using these tests for diagnosing food intolerances due to lack of clinical validity. Longevity is a complex trait influenced by genetics, lifestyle, diet, microbiome, and environment. No robust studies demonstrate a causal or predictive link between IgG levels and lifespan. More relevant biomarkers in longevity research include inflammatory markers (CRP, IL-6) and metabolic parameters. While MyBody-X offers various tests, the IgG test is not an established tool for longevity assessment. Consumers should be cautious of exaggerated claims. A balanced diet, regular exercise, and routine medical check-ups remain the most evidence-based strategies for promoting a long, healthy life.