wie kann ich mein mikrobiom verbessern — can a DNA test help?

Can a DNA test help improve your microbiome? The short answer is: only to a very limited extent. DNA tests like MyBody-X analyze genetic variants related to metabolism, nutrient processing, or predispositions (e.g., lactose intolerance). These can offer indirect clues about which diet might suit you personally – for example, whether you tolerate fiber from whole grains well or are sensitive to certain FODMAPs. However, the microbiome is primarily shaped by diet, environment, medication (especially antibiotics), and lifestyle, not by genes. The evidence for direct genetic influences on gut microbiome composition is weak and mostly limited to single bacterial strains or enzymes (e.g., lactase persistence). A DNA test cannot replace targeted microbiome optimization. Instead, a high-fiber diet rich in vegetables, legumes, whole grains, fermented foods, and avoiding unnecessary antibiotics are the best evidence-based measures. A DNA test can serve as supplementary information but should not be the sole basis for microbiome decisions. Be cautious of tests claiming to derive microbiome status directly from DNA – that is not currently valid.