Which vitamin is called as coagulating vitamin

Vitamin K is called a coagulating vitamin.
"Vitamin K," the generic name for a family of compounds with a common chemical structure of 2-methyl-1,4-naphthoquinone, is a fat-soluble vitamin that is naturally present in some foods and is available as a dietary supplement.
The name vitamin K comes from the German word "Koagulations vitamin".
Vitamin K is an essential vitamin needed by the body for blood clotting, bone-building, and other important processes. It's found in leafy green vegetables, broccoli and Brussels sprouts.