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On the Trail of the Elusive X-Factor
A Sixty-Two-Year-Old Mystery Finally Solved
By Chris Masterjohn
Contents
* Article Summary
* On the Trail of the Elusive X-Factor (Main Article)
o A Sixty-Year Mystery
o Vitamin K: Three Discoveries Converge
o Perfect Correspondence
o Synergy with Vitamins A and D
o Vitamin K2 and Dental Health
o Vitamin K2 and Bone Health
o Vitamin K2 and Heart Disease
o Vitamin K2 and the Brain
o Other Roles of Vitamin K2
o Vitamin K2 in Foods
* Figures
o Figure 1: The Structure of K Vitamins and Their Chemical Behavior
o Figure 2: Corresponding Characteristics of Activator X and Vitamin K2
o Figure 3: Vitamin K-Dependent Carboxylation
o Figure 4: Vitamin K2 Contents of Selected Foods
* Sidebars
o The Activator X Test
o Interactions between Vitamins A, D, and K2
o Is Vitamin K2 an Essential Nutrient?
o The Vitamin K-Dependent Carboxylase
o Vitamin K2 and the Brain: A Closer Look
o Bacterial Production of Vitamin K2
o Supplementing with Vitamin K2
* References
* About the Author
* Follow Up Questions & Answers