And a counterpoint to the higher dosages suggested on the above link -
http://www.webmd.com/vitamins-and-su...t-guide-niacin
(article Reviewed by David Kiefer, MD on May 01, 2015)


So it seems it is a case of be aware , do your own checking on various sites before trying higher doses ...

https://www.google.com/search?q=niac...fits+%26+risks