Kryptonite

• Created from the irradiated remains of Krypton
• Emits a unique radiation which has different effects depending on the type
• Its radiation could be blocked by lead

• Emits a radiation that was extremely toxic to super-powered Kryptonians
• It neutralizes their powers
• Once removed, the affected individual would recover
• Prolong exposure could be fatal

• It was Green Kryptonite that passed through a cosmic cloud en route to Earth
• Removed inhibitions from super-powered Kryptonians
• Brings out their rebellious & immoral personality
• Effects were immediately countered by distance

• Radioactive piece of the planet Krypton
• Striped super-powered Kryptonians of all their abilities, turning them mortal
• Prolonged exposure by humans leads to them having perfect health
• If used on Bizarro, it would magnify his powers & could cause him to explode
• Effects were immediately countered by distance

• Created by heating green kryptonite to extremely high temperatures
• Separated the personalities of a single being into two separate beings;
• A second dose of the Black K would join them back together

• Induces intense hallucinations & paranoia in Kryptonians
• Also capable of negating a Kryptonian’s powers
• Effects are undone when it leaves their systems

• Removed superpowers from Kryptonians permanently
• It did this by destroying their cells' ability to process solar energy