Offers free and safe drug testing nationwide by mail, as well as in person testing. Drugs that can be tested include psychedelics, stimulants, opiates, and others such as ketamine, PCP, and steroids. Cannot test whole herbs such as cannabis, kratom, peyote, and salvia; drugs in foods; or drugs below 5% of the sample. See website for mailing instructions. Also offers harm reduction supplies along with harm reduction education, Take Home Naloxone Kits (Narcan), and naloxone training. Safe injection booths provide a place where people who use drugs can be safely monitored and treated immediately if they overdose. In-person testing and service hours are 12 noon to 8 pm daily.