It needs zero because the market will provide these services. Or if it doesn't it would be clear that consumers didn't want these services.
We could start to pay a company to tell us which drugs were safe, but they would only have one customer who would tell everybody else.
The market does nothing except exploit. Now nothing wrong with that.. but the idea of a free and open market in America hasn't been true since.. well.. 1980?
[ScienceBasedMedicine.org](http://www.sciencebasedmedicine.org/index.php/the-free-speec...)
I'll accept the FDA wasting money, and in exchange I don't have to listen to them. The fact that homeopathy can be branded medicine virtually eliminates any point in having the FDA with regard to drug efficacy / safety.