Cyclingnews today reports further on a series of searches that have been taking place during an Italian crackdown on doping in cycling (Bernucci House Search Part Of Larger Investigation | Cyclingnews.com).  What's interesting is this little gem (my emphasis):

This same work led to the arrest of former professional rider Aleksandar Nikacevic, the seizure by police of a line of homeopathic products from a pharmaceutical company in central Italy and the searching of dozens of pharmacies following complaints that doping practices were being undertaken by a Venetian doctor on athletes, some of whom were minors, from various sporting disciplines.

It baffles me why homeopathic potions, which after all contain no active ingredients, could be considered in any way performance-enhancing.