Carfentanil is a deadly drug and is the most potent opioid in the world.
It was first discovered in 1970 and was used to sedate large zoo animals.
It’s 100 times stronger than fentanyl, which is 50 times stronger than heroin. It’s so strong that it was banned from the battlefield for being a chemical weapon.
According to the US Drug Enforcement Agency (DEA), it is the most potent commercial opioid in the world. In China, it not a controlled substance. In addition, it can be manufactured legally and sold openly online.