Latest in Substance Testing

Nitazenes Found During Ontario Overdose Surge

⚠️ Your Fentanyl Strip Won't Catch a Nitazene Fentanyl test strips aren't designed to detect nitazenes. Nitazene test strips add a targeted screen for a separate part of the synthetic opioid supply, so you're working with more information before you use.

Cychlorphine Is Not Detected by Fentanyl Test Strips

🧪 Know What Your Test Strips Can — and Can't — Detect Fentanyl continues to appear throughout the unregulated supply, and test strips remain one of the most accessible ways to screen for it. Just understand what a negative result does and does not tell you.

Wastewater Drug Data 2026: Xylazine, Carfentanil by Region

In July, the White House drug policy office published something it never had before: a report on what's actually dissolved in America's sewage. The Office of National Drug Control Policy paid Biobot Analytics to test wastewater from 101 counties, home to roughly 18 percent of the country, screening for ten drugs that run from fentanyl...

Medetomidine and a New Wave of Deadly Adulterants

The drug supply is evolving again. Just when public health agencies and harm reductionists were starting to wrap their heads around xylazine and nitazene, a new veterinary sedative has entered the scene: medetomidine. It's stronger, less predictable, and even more dangerous. What Is Medetomidine, and Why Is It in the Fentanyl Supply? Medetomidine is a...