What is what drug is black?

There is no specific drug known as "black" as a singular substance. However, the term "black drug" may refer to illicit substances that are sold on the black market, such as counterfeit or adulterated drugs.

In some cases, the term "black drug" may also refer to a potent and dangerous drug, such as black tar heroin, a form of heroin that is dark in color and highly impure.

Overall, it is important to note that any drugs purchased on the black market can be extremely dangerous and carry a high risk of overdose or adverse effects due to their unknown composition and lack of quality control. It is always recommended to avoid illicit substances and seek help from a healthcare professional if struggling with drug use.