It's February. How heart smart are St. Louisans? Nitazene is a synthetic opioid that is growing in popularity The Week 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 News: April 2025 Increasing range of drugs and new psychoactive substances found in vaping products Nitazines found in black market vapes as criminals make new variations to evade detection ABC News 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