If you are taking D3, you should be taking K2. D3 helps you absorb calcium, but it is Vitamin K2 that influences where this calcium goes. Low K2 status could mean calcium build-up in unwanted places (like arteries, rather than your bones).
If you query something like “why take K2 with D3”, you’ll find plenty of articles on the subject
Been taking K2 and thanks for the explanation and info.
Thanks for the information.