Kryptonite doesn't heart Superman, it makes him weak. The reason it makes him weak is because it emits a radiation that is harmful to people who were born on the planet Krypton.
Kryptonite is Superman's weakness.
Kryponite can kill superman, Magic can too. But doomsday actually killed him but he came back. I hate superman though.
Blue kryptonite - it improves Superman's health and frees him from red kryptonite's unpredictable side effects. Blue kryptonite only affects Bizarro - he feels weak.
With a Kryptonite condom.
Kryptonite
Kryptonite
green Cristal
Superman has stated that the only man he's afraid of is Batman, and with good reason.
Superman is weak against kryptonite.
Kryptonite robs Superman of his strength.
kryptonite
Blue