Kryptonite is a fictional material that appears primarily in Superman stories published by DC Comics. In its best-known form, it is a green, crystalline material originating from Superman's …

“We are extremely grateful for our partnership with Kryptonite Products. Their generous donation allows us to help our military families who may be struggling to make ends meet.

Kryptonite is the name given to shards of matter that were cast off from the planet Krypton after its destruction.

The meaning of KRYPTONITE is a substance that causes the comic-book character Superman to become weak when he is exposed to it—often used to describe something likened to …

Aug 11, 2025 · Kryptonite is an irradiated piece of crystal from his homeworld of Krypton, which causes physiological changes to any Kryptonian in close proximity. Like the multiple versions …

Oct 9, 2023 · Kryptonite is a radioactive ore from Superman's home world, Krypton. Kryptonite usually only affects Kryptonians, and it's one of the only things in DC that can weaken …

Jul 18, 2025 · Kryptonite is a fictional mineral from Superman’s home planet, Krypton. When Krypton exploded, radioactive fragments of the planet were scattered across space. These …

May 29, 2025 · People would first get to know Kryptonite through the popular Adventures of Superman radio serial, in the 1943 episode, “The Meteor from Krypton.” Six years later, …

Kryptonite is a fictional element in the DC Comics universe, and one of the few items that can harm Superman, his cousin Supergirl, and his dog Krypto. It is depicted as a radioactive …

Jul 18, 2025 · This article explores what kryptonite is, its various forms, and the origin of this fictional mineral within the world of comics. In the DC Comics universe, kryptonite is a mineral …