I have been super-dosing vit D, K2-MK7 and magnesium chelate to reverse calcification of the arteries. It is slowly working. My BP is slowly coming down.
There is also a strong correlation with height, but I don't advise losing height :-)
 - https://ohblog.org/Metabolic-Syndrome-Hypertension-My-Journe...
A bit of both would probably be okay, though.