The only free drug and research chemical testing program in the United States.

  Our ongoing mission is to save lives by offering free testing of drugs and research chemicals to the public.

  USDTO is working on B-Corporation designation which will allow us to influence the legislative branch in law making while simultaneously providing a charitable service to the public.

Welcome to USDTO!

The decaying and deplorable situation in the U.S. research chemical and drug communities.

Why choose USDTO for your testing needs? There are several reasons our program is the right choice.