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 Vape pens laced with synthetic opioids is the latest overdose threat Fentanyl found in spice seized from Brandon convenience store, MBN says Synthetic opioids could fuel 'second wave' of UK drug deaths crisis, experts warn The Independent Deadly synthetic opioids found in vape liquid in Australia Australian Broadcasting Corporation (ABC) posted on the topic LinkedIn