Vitamin K1

Clotting is the only job it's been proven to do in a person.

Also called Phylloquinone, Phytonadione, Phytomenadione

The item

Three squares: proven in human trials. Two: a strong signal. One: early human data. Striped: the trials disagree.

Emergency: call 911.

I am not a doctor. This is not medical advice. This is self-education. Talk to a physician who has your history before you change anything.