U.S., Oct. 1 -- ClinicalTrials.gov registry received information related to the study (NCT07199829) titled 'Evaluating Response to Vitamin D3 and K2 Supplementation in Healthcare Personnel' on Feb. 06.
Brief Summary: The main purpose of this research study is to learn about the effects of supplemental vitamin D3 and vitamin K2 on blood levels and the gut microbial community, called the gut microbiome. There are many influences on blood levels of vitamin D and K to include your dietary intake, lifestyle behaviors (physical activity, sleep), genetic alterations in metabolism of these vitamins, and the gut microbial abundance and diversity. You will be asked to take one capsule containing vitamin D3 (125 mcg), vitamin K2 (180 mcg), a combinat...