Story perspectives

Vitamin B1 Linked to Increased Bowel Movement Frequency

1/23/2026

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Summary

Story summary

The study led by Mauro D’Amato at LUM University suggests vitamin B1 may influence gut motility.
Researchers analyzed data from over 268,000 individuals and identified 21 genetic regions linked to bowel movement frequency.
Higher vitamin B1 intake correlated with more frequent bowel movements, though effects varied by genetics.
The study, published in Gut, notes limitations such as self-reported data and indirect motility measures, preventing confirmation of any effect.

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Story summary

The study led by Mauro D’Amato at LUM University suggests vitamin B1 may influence gut motility.
Researchers analyzed data from over 268,000 individuals and identified 21 genetic regions linked to bowel movement frequency.
Higher vitamin B1 intake correlated with more frequent bowel movements, though effects varied by genetics.
The study, published in Gut, notes limitations such as self-reported data and indirect motility measures, preventing confirmation of any effect.