Kryptonite (3 Doors Down song)

"Kryptonite" is a song by American rock band 3 Doors Down. It was originally released as a demo for local play by 97.9 WCPR-FM in Biloxi, Mississippi, then was picked up by several radio stations during November and December 1999. The song was officially serviced to radio as 3 Doors Down's debut single on January 18, 2000.

"Kryptonite" first charted on the US Billboard Mainstream Rock Tracks chart, reaching number one for nine weeks, then topped the Billboard Modern Rock Tracks chart for 11 weeks; it was 2000's most successful song for both rankings. It reached number three on the Billboard Hot 100, becoming the band's highest-charting single in the United States. The song was also successful internationally, peaking at number six in Canada, number seven in Australia, and number 13 in New Zealand.