And to tack onto this question, what IS the amount being used in these studies and is it recommended we take it? I remember that Dr from earlier in the month po

And to tack onto this question, what IS the amount being used in these studies and is it recommended we take it? I remember that Dr from earlier in the month posting a blog series about Vitamin D and even there is still no answer as to how much. She said she was seeing problems when patients were taking something like 4000 IU/day or more...or something like that.