Afghan Heroin 91%

Diacetylmorphine or morphine diacetate (also known as diamorphine and heroin as well as colloquially as H, dope, smack, junk, brown, boy, and others) is a semi-synthetic opioid substance of the morphinan class. It is a derivative of morphine, a natural product of the opium poppy (Papaver somniferum).[citation needed] Heroin is known for its highly addictive properties and it makes up a large portion of the illicit traffic in narcotics. 

Effects: sedation, pain relief, muscle relaxation, and euphoria