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  1. Vitamin K: Uses, Deficiency, Dosage, Food Sources, and More - WebMD

  2. How Much Vitamin K Do You Need Per Day by Age Group?

  3. Vitamin K - Health Professional Fact Sheet - Office of Dietary ...

  4. VITAMIN K - Uses, Side Effects, and More - WebMD

  5. Vitamins and Minerals: How Much Should You Take? - WebMD

  6. Vitamin K Dosage and Daily Intake Recommendations

  7. Vitamin K: Uses, Side Effects, Dosage, and More - Verywell Health

  8. Overview of vitamin K - UpToDate

  9. Vitamin K Comparison Chart - MyLVAD