Not every pill is medicine and not every vape is nicotine. You don't always know what's inside. Some may contain synthetic opioids like Nitazenes or Fentanyl. Synthetic opioids could fuel 'second wave' of UK drug deaths crisis, experts warn The Independent Over half a million marijuana vapes seized in the U.S. in the last 2 years 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 Kratom Vapes THV Vape Pen 79% Berry Gelato & Papaya Punch Found in vapes: FDA cracks