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 It's February. How heart smart are St. Louisans? 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 Nitazene is a synthetic opioid that is growing in popularity The Week 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 9 News Facebook Deadly nitazene vapes: First Australian arrest made in Sydney The Australian