Kryptonite is based on a real-life mineral, and the effects Superman feels when exposed to it can, in a way be justified by science.

The mineral jadarite has the same chemical composition as Superman’s weakness. It may be a problem for humans, too. By Andrew Paul Published Jul 14, 2025 11:05 AM EDT Add Popular Science (opens in a ...

Kryptonite has long been the most dangerous substances to Superman. It was first introduced in the Superman radio series before making its way to the comics. Since then, it has been used by multiple ...

The Man of Steel gets new and exciting updates for his certain attributes in the inaugural issue of Superman: The Kryptonite Spectrum. Superman, created by writer Jerry Siegel and artist Joe Shuster, ...