* A fast- and short-acting barbiturate to knock you out.

* A muscle relaxant to stop you breathing.

* Potassium chloride to induce a heart attack. It incidentally causes great pain.

If the effect of the barbiturate wore off too quickly this would be an appalling death. Does it? Quite possibly. The creator of the protocol said

> It never occurred to me when we set this up that we'd have complete idiots administering the drugs

But nobody gives a shit.