Heroin, fentanyl, and nitazenes Stay informed: what are nitazenes? Here's what Missourians should know. Nitazenes are synthetic opioids that are being found across the state in counterfeit pills, powders, and vapes. They are more potent than RACGP What are nitazenes? Sydney's top doctor raises alarm after vapers develop opioid addiction Stuff A 20 year old has been charged for distributing vapes full of nitazene, a drug 500 times more potent than heroine, on our streets. #9News Nitazene found in wastewater at 5 St. Louis area schools