Information on the use of complementary and alternative medical (CAM) therapies is sometimes difficult to obtain from consumers. The purpose of this study was to evaluate the Internet as a research tool in CAM to obtain information from these consumers about the use of psychotropic herbs and drugs. A survey on psychotropic herb and drug usage was posted on 138 mental-health newsgroups on the Internet. After 38 days, 72 (71%) of the 102 respondents reported usage of psychotropic medication and 68 (67%) reported usage of psychotropic herbs during the preceding 12 months. The Internet is a potential tool to reach consumers of CAM for research purposes. The study design requires modification, and the findings need cautious interpretation for further research using the Internet as a venue.