So, hiding INDOORS was precisely the right thing if you want to DIE.
and people produce less in winter in the northern hemisphere because of less sun and less sun exposure
its never been a surprise people get sicker in winter and less vitamin d is a real factor
Been taking D3 and Zinc Sulfate every day now for at least 10 weeks now..
C as well
Just bought time-released B12 today because i read a thread about it yesterday concerning my recently acquired Tinnitus.
I regularly take 5k per day. No ill effects.