What to watch with Nährstoffcheck and gut health?

When combining a nutrient check (Nährstoffcheck) with gut health testing (e.g., microbiome analysis), caution is warranted. While a nutrient check measuring blood levels of vitamins and minerals is medically established, many gut health tests – especially IgG-based food sensitivity panels – lack clinical validation. MyBody-X does not offer IgG tests according to context, focusing instead on microbiome and hormones. Still, individual nutrient levels can fluctuate with diet, time of day, or supplements; gut tests often show only broad trends. The evidence for actionable recommendations from such combinations is weak (mixed). It is advisable to discuss results with a physician who can interpret them in a broader clinical context. Be wary of overblown claims – especially from DNA-based analyses (e.g., collagen risk), where evidence is often mechanistic or marketing. The nutrient check can reveal deficiencies that affect gut health (e.g., vitamin D, zinc), but interpretation requires expertise.