What's in your sports supplement?

I suspect there could be more in these supplements than are listed on the label:

http://www.raps.org/Regulatory-Focus/News/2015/03/02/21600/FDA-Finds-Prozac-in-USPlabs-Supplement-but-Company-Claims-it%E2%80%99s-a-Counterfeit/

Feedback and comments welcome!