Do liberatarians really want to legalize heroin and meth?

What kind of **** head would legalize two of the most addictive substances on the planet? I was reading on libertarian beliefs because I was thinking that mine would align with them but WTH? Talk about liberty? Taking heroin and meth at your own eventually makes you not free, but a slave to a substance you take at your body's will. So where do most libertarians take a stance?