Frontline has a great piece of the problems with vitamins and supplements in the US. http://www.pbs.org/wgbh/frontline/film/supplements-and-safety/ http://www.

Frontline has a great piece of the problems with vitamins and supplements in the US. http://www.pbs.org/wgbh/frontline/film/supplements-and-safety/ http://www.pbs.org/wgbh/frontline/film/supplements-and-safet...