How is heroin acquired for scientific studies?

How is heroin acquired for scientific studies?

Michael Jourdan (Drug Researcher) gives expert video advice on: What treatments are available for heroin addiction?; How effective is heroin addiction treatment?; How expensive is heroin treatment? and more...

Heroin is usede by a lot of people, it's thought of as something that is strictly illegal and that it can only be bought off street pushers. That's a complete misconception. Heroin could just as well be made by big pharmaceutical companies, and indeed, as far as I know there are five producers who will deliver to any legitimate customer. And there are now some, because we have these heroin trials going on in different countries. They purchase their heroin from authorized sources--pharmaceutical companies that produce the drug.