Can vitamins d and k boost your gut bacteria? new study investigates
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This study looks at how taking vitamin D3 and K2 supplements for 90 days changes blood levels and the community of bacteria in the gut (the microbiome) in healthcare workers with low vitamin D. About 96 participants will take either a vitamin D3, K2, both, or a placebo pill. Rese…
Phase: NA • Sponsor: Madigan Army Medical Center • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:52 UTC