Vitamin K
Vitamin K is a fat-soluble vitamin that plays a key role in blood coagulation, bone metabolism, and vascular health. Vitamin K1 is found in many leafy greens and soy, while vitamin K2 is found in meat and fermented foods and is synthesized by intestinal bacteria. Supplementation with vitamin K improves markers of bone health, and vitamin K is administered to newborns to prevent vitamin K deficiency bleeding.
Quick Answer
What it is
Vitamin K is a fat-soluble vitamin that plays a key role in blood coagulation, bone metabolism, and vascular health. Vitamin K1 is found in many leafy greens and soy, while vitamin K2 is found in meat and fermented foods and is synthesized by intestinal bacteria.
Key findings
- Grade B: Bone Mineral Density (Bone Health)
- Grade B: Cancer Mortality (Liver Cancer)
- Grade D: Calcium Score (Chronic Kidney Disease (CKD))
Safety
No specific caution or interaction language was detected in the current summary/outcome notes.
ℹ️ Quick Facts: Vitamin K
Quick Facts: Vitamin K
- Best Evidence:Grade B
- Conditions Studied:12
- Research Outcomes:78
- Grade B Findings:4
- Key Effect:Bone Health
Detailed Outcomes
Evidence by Condition
Best grade per condition (each condition may have multiple outcomes)
Research Citations (35)
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