Blue Kryptonite is the Kryptonians 2nd biggest weakness,beacuse it inhibits all of their powers while in proximity.
It's ussualy reffered to as Blue K.
Effects on KryptoniansEdit
While in proximity they lose all of their powers.
Effects on BizzaroEdit
If bizzaro is exposed to blue k he will die from being overloaded with power.
Effects on HumansEdit
It greatly contributes to human health,possibly making them impervious to sickness.