This may be True, because if the body does not have the correct Acid to make Calcium Release it's Electro-magnetic Energy for the Blood to be able to utilize, then the Blood may be short of the needed Calcium !
And Vit K is an Acid which may React with Calciums in the body to Help make the Calciums Electro-magnetic Energy available to the Blood !
For it takes certain Acids to Cause the Release of the needed Alkaline Minerals Electro-magnetic Energy, of which Calcium is an Alkaline Mineral needed by the body for this purpose of Coagulating the Blood !