Ron Graves · @rantsfromron
21st Apr 2014 from TwitLonger
@Dannilion Mine have D3 so I might as well take them. Not much, though, only 400iu (I already take 4,800iu a day). High-dose D3 is supposed to boost the immune system (mine is rubbish), and so far it seems to work. Had no respiratory problems other than routine COPD flares for a couple of years.