If drug-checking services had not been available, most of those people would have unwittingly consumed eutylone, and it is likely that some of them would have ended up in hospital. Because KnowYourStuff was able to operate legally and openly, they were able to warn people about the eutylone circulating in the community. We know of many people who chose not to take their drugs or who take extra precautions because of those particular warnings. 