What role does IgG Unverträglichkeitstest play in Darmgesundheit?

IgG food intolerance tests are often marketed to improve gut health, but the scientific evidence is weak. IgG antibodies to foods merely indicate immune exposure—they are a normal part of the immune response and not specific to intolerances or gut inflammation. Studies show these tests do not reliably diagnose food intolerances or allergies. Medical guidelines (e.g., from DGAKI, EAACI) advise against their use. For gut health, validated methods such as IgE testing, breath tests (e.g., for lactose intolerance), or a medically supervised elimination diet are more appropriate. A positive IgG result can lead to unnecessary dietary restrictions, nutritional deficiencies, and anxiety. MyBody-X does not offer such tests; its DNA and blood markers (e.g., CRP) address different questions. Conclusion: IgG tests have no proven role in gut health and should not guide dietary choices.