Dr. Singh, ACSH friend and former Chief Medical Officer for the Office of the Assistant Secretary for HHS, published a paper on the adulterants found in street drugs. What was in there? A lot of junk.
A dietary supplement spiked with a real prescription drug? Big deal. But one spiked with six different drugs? We're talking some serious effort here. If you're curious why there are six drugs present in a bottle that is supposed to be "natural" and "drug-free," you should be. Welcome to the world of dietary supplements.