Military study probes hidden link between vitamins and gut bacteria
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This study aims to understand how taking vitamin D3 and K2 supplements affects the community of bacteria in the gut (the microbiome) and related blood markers. Researchers will give 96 military healthcare personnel either the vitamins or a placebo for 90 days and measure changes …
Phase: NA • Sponsor: Madigan Army Medical Center • Aim: Knowledge-focused
Last updated Mar 30, 2026 14:32 UTC