Deadly synthetic opioids found in vape liquid in Australia Australian Broadcasting Corporation (ABC) posted on the topic LinkedIn Nitazenes kill. How to stay safe from an opioid overdose It's a name you've probably never heard: nitazenes. These synthetic opioids are being found in counterfeit pills, powders and vapes. Nitazenes are 5 to 10 times more potent than fentanyl. Even a Synthetic Opioids Found in Vapes and THC Products Narcotics.com More than 1200 vape vials laced with nitazene, a synthetic opioid 200 times more potent than morphine, were sold across Sydney, sparking Australia's first arrest over vapes spiked with the drug. Police It's February. How heart smart are St. Louisans?