Detailed text transcripts for TV channel - KGO - 20100804:10:21:00
That happened to paul karason. >> i kind of hoped it would fade off. >> reporter: it's easy to find these 12 products on the internet or in the stores. but here's something you should know. supplements do not need to prove they are safe and effective before they are sold. and congress has made it tough for the fda to pull them once they're on the market. the industry points out, these supplements are not widely-used. these are fringe products, in your view? >> in my mind, they are an insubstantial amount of the dietary supplement marketplace. >> reporter: there is widespread agreement on one p...