Can Magnesium help with Darmgesundheit?

Magnesium can support gut health, particularly for constipation. Studies indicate that magnesium citrate or oxide can increase stool frequency and improve stool consistency, especially in people with functional constipation. The effect is based on osmotic mechanisms: magnesium draws water into the intestine, softening stool and promoting bowel movements. However, evidence for broader 'gut health' (e.g., in IBS, inflammation, or microbiome) is weaker. Some observational studies suggest a link between low magnesium intake and higher inflammatory markers, but robust randomized controlled trials are lacking. Moreover, excess magnesium (e.g., from supplements) can cause diarrhea. Caution is needed in kidney disease. The best source is a magnesium-rich diet (nuts, seeds, whole grains, leafy greens). A MyBody-X DNA test cannot diagnose magnesium deficiency – that requires blood or 24h urine analysis. Overall: moderate evidence for stool regulation, but not a magic bullet for gut health.