buy nitazene opioids online. What are nitazene opioids? Nitazene opioids were synthesized in the 1950s to relieve pain but were never clinically approved for market. Most nitazene opioids are considered to be stronger than fentanyl – and therefore classified as “high-potency opioids” by Toronto’s Drug Checking Service. Around 2019, nitazene opioids began presenting in the…