Is IgG Unverträglichkeitstest useful for Abnehmen?

The short answer: No, an IgG intolerance test is not evidence-based for weight loss. IgG antibodies to foods typically reflect normal immune exposure, not true intolerance or allergy. Studies show no causal link between IgG reactivity and weight loss. While some individuals report feeling better after avoiding tested foods (e.g., less bloating), this is not reproducible and often due to placebo effects or concurrent dietary changes. Major medical societies, including the European Academy of Allergy and Clinical Immunology, advise against IgG testing for food intolerance diagnosis. For sustainable weight loss, calorie balance, macronutrient composition, and individual metabolic factors matter – none of which are addressed by IgG tests. MyBody-X offers intolerance tests, but the provided context lacks any valid evidence supporting their use for weight loss. Those aiming to lose weight should rely on proven approaches: dietary counseling, physical activity, and medically supervised interventions if needed.