BB, I read that it has to be the flush version and you should not eat for three hours before/after you took it. So the best would be to take it at night.
Here is a graphic how 500 mg of niacin can raise HGH:
Here is a graphic how 500 mg of niacin can raise HGH:
![[Image: niacin_fig3.gif]](http://www.vrp.com/static/editorialImages/niacin_fig3.gif)