A red button. Image says: ‘Would you press the button?’ [results of pressing the button:] there exists a pill that makes your disability a LOT less debilitating BUT it’s near-impossible to get because the non-disabled enjoy taking the pill for fun and the government doesn’t want them to.
It could still be heavily regulated if they sold it to everybody. You’d only have to worry if you were buying it on the black market, but that’s true in any case.