call me naive but; 80% did not contain the listed ingredients? 80%? That would be fraud on a massive scale, involving thousands of people. I didn't believe it, I don't believe it now.
What we don't need right now is bad science combined with government overreach. Here is the beginning of the push back. http://cms.herbalgram.org/...
Now whether or not supplements work is not the question here. The government forced millions of dollars of product from the store shelves. Personally, I like my St. John's Wort for mood changes and my Bilberry to keep my old eyes from clouding up.
This might get interesting.