The Stoffwechsel-Typ-Test (metabolism type test) from MyBody-X categorizes your metabolism based on questionnaires or biomarkers to give personalized diet advice. However, the underlying theory – that each person has a distinct 'metabolic type' (e.g., carbohydrate or protein type) – lacks robust scientific validation. No high-quality clinical trials demonstrate that such typing leads to better long-term health outcomes. Evidence is mostly anecdotal or based on oversimplified models. The test may serve as a rough orientation, but it does not replace medical diagnosis or evidence-based nutrition guidelines. Caveat: these tests are often marketed with exaggerated claims. A more reliable approach is to follow a balanced whole-foods diet, exercise regularly, and monitor objective health markers (e.g., blood glucose, lipids). If you suspect a metabolic disorder, consult a doctor or registered dietitian.
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