A bit on K2.
https://www.youtube.com/watch?v=Vbd8FqnVT4c

The overlooked vitamin K2. Factor X in Dr Price's book but Dr Master JOhn gave it a name and a chemical formula.

K1 is only blood clotting.
K2 moves calcium around-- keep bones strong and arteries clear.
Vit D--partners with K2. Vit D cannot do the entire job; K2 is the cement to put Ca into the bones.