Tylenol is a bad example, because the amount you need to kill your liver is not vastly higher than the therapeutic dose. It's one drug that should probably not

Tylenol is a bad example, because the amount you need to kill your liver is not vastly higher than the therapeutic dose. It's one drug that should probably not be sold over the counter. Also, the fact that you expected to find painkillers in a German supermarket just means you're an American. It doesn't say anything important about barriers to access there.