Posted 11/29/2020 01:35 (#8631678 - in reply to #8630036) Subject: RE: I guess if you live in the USA take vitamin D3
NW Washington
My doc has had me on vitamin D for years and he did a blood test before telling me to take it. My wife takes vitamin D too on the advice of her doctor. This was before Covid19 too..
We don't get much sunshine around here in the winter.