New Psychoactive Substances (NPS) continue to be identified, and it appears that moves by the United Nations and by individual countries to control lists of named NPS may be encouraging the development of yet further variants to avoid these controls.

In response to the ever-expanding range of NPS being developed, we have produced an extensive line of reference materials that meet the rapidly changing demands of the NPS landscape, many of which are produced under the rigorous quality assurance standards set out in ISO Guide 34.