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UNODC Early Warning Advisory (EWA) on New Psychoactive Substances (NPS)

The EWA provides access to basic information on new psychoactive substances. Specific information on NPS including trend data, chemical details on individual substances, supporting documentation on laboratory analysis and legislative responses can be accessed by registered users only.


What are NPS?

New psychoactive substances have been known in the market by terms such as 'legal highs', 'herbal highs', 'bath salts', 'research chemicals'

NPS Substance Groups

NPS differ greatly in terms of their adverse effects, the ways in which they are abused and their historical background

Legal Responses

Countries have adopted various legislative measures to tackle the NPS problem