Chinese ‘Frankenstein’ opioid up to 40 times more potent than fentanyl sweeps UK

Nitazenes – a synthetic drug made in clandestine Chinese labs which cash-hungry dealers mix into heroin because it is cheap, addictive and boosts its euphoric effect – is blamed for fuelling an ‘unusual’ increase in overdoses and deaths over the past months. It is also sold as oxycodone pills or Xanax powders, the Daily Mail reported.