Can IgG help with Blutzucker?

The question of whether IgG antibody tests can help with blood sugar (Blutzucker) is scientifically controversial. IgG (Immunoglobulin G) is often measured in so-called 'food sensitivity tests.' Proponents claim that IgG-mediated reactions to certain foods can cause chronic low-grade inflammation, which may impair insulin sensitivity and blood sugar regulation. However, the evidence is weak: Major allergy and immunology societies (e.g., EAACI, AAAAI) advise against using IgG tests to diagnose food intolerances, as IgG reflects normal immune exposure to food antigens, not pathology. For blood sugar management, established interventions include dietary modification (low glycemic index, fiber), physical activity, weight management, and medications if needed. No high-quality clinical trials demonstrate that eliminating foods based on IgG levels improves glycemic control. The provided context does not include any studies linking IgG to blood sugar. Therefore, the evidence level is 'mixed' – mechanistic plausibility exists but lacks human validation. Consumers should be cautious and prioritize evidence-based strategies.