Higher levels of vitamin D found to exist in more diverse gut microbiomes.

A cross sectional study of 567 men in the US measured active vitamin D levels against α-diversity of gut bacteria through stool sample analysis. Results found that active vitamin D metabolites were associated with more favourable gut microbial diversity. Specifically, microbiota that are known butyrate producers were positively correlated with active Vitamin D levels. Intervention, whether through dietary modification and/or vitamin D supplementation is the exciting area for further research.

homas, R.L., Jiang, L., Adams, J.S. et al. Vitamin D metabolites and the gut microbiome in older men. Nat Commun 11, 5997 (2020). https://doi.org/10.1038/s41467-020-19793-8

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