Ut oh! I didn't know yellow kryptonite was taken! oops. Oh well, too late to change it now!
In this one it protects him from the green and it enhances his powers like the sun does.
How did it work in the comics, if it permanently took away his powers, then how did the comics work beyond an episode with that? Or how did they know it did that without it doing it to him once and for all?