Vitamin D3 may increase bacterial richness in the upper gastrointestinal tract and reduce opportunistic pathogens, says a new study from Austria.

Vitamin D3 may increase bacterial richness in the upper gastrointestinal tract and reduce opportunistic pathogens, says a new study from Austria.

Scientists from the Medical University of Graz report that high daily doses of vitamin D3 for five weeks led to significant reductions in bacteria such as Pseudomonas spp.…

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