Lay opinion vs evidence: Mikrobiom Check

The question of how reliable a microbiome check is often pits lay opinion against scientific evidence. Many consumers expect such a test to reveal specific disease causes or food intolerances. Current evidence shows that direct-to-consumer microbiome tests (e.g., for children) primarily measure bacterial diversity, not pathogens or specific triggers. The evidence for clinical decisions is weak – these tests are lifestyle tools, not medical diagnostics. While there is strong evidence for the role of short-chain fatty acids (SCFAs) from fiber in gut health, most home tests do not measure SCFAs directly. Without medical guidance, results can lead to misinterpretation, unnecessary diets, or anxiety. Conclusion: The evidence is mixed – marketing-driven with some scientifically sound aspects. For persistent symptoms, a doctor visit is essential.