"Heroin" is a song by Lana Del Rey. It was co-written with Rick Nowels and co-produced with Nowels, Kieron Menzies and Dean Reid, with additional production by Mighty Mike. It is featured as the fourteenth track on her fifth studio album and fourth major-label studio album, Lust for Life.
Del Rey performed the song live for the first time at her Lust for Life listening party and performance hosted by Spotify at No Vacancy in Los Angeles, California, on July 20, 2017. She added that it was her favorite song on the album. On January 30, 2018 in Charlotte, North Carolina at the LA to the Moon Tour Del Rey performed an a cappella version of the song by fan request.
- Heroin is mentioned in "Cruel World", "Disco", "Hollywood" and "Jump".
- Heavy metal is also referenced in "Angels Forever, Forever Angels", "Smarty", "Mermaid Motel" and "Guns and Roses".
- The phrase "I'd be lying" also appears in "13 Beaches".
- A mention of ribbons in one's hair is found in "Tired of Singing the Blues" and "This Is What Makes Us Girls".
- "My old man" is a phrase first heard in "Off to the Races".
- Del Rey remarks "oh my God" in "When the World Was at War We Kept Dancing", "Summertime Sadness", "The Blackest Day" and "Paradise".
- Reference to "Change".
- Hot weather is also mentioned in "Shades of Cool" and "Salvatore", although in the summer as opposed to the hot winter described in this song.
- "Writing in blood on my walls" lyric is also used in "Hope Is a Dangerous Thing for a Woman like Me to Have - but I Have It".
- "Topanga's hot tonight" lyric is also used in "The Next Best American Record".
- Album version — 5:55
- Clean version — 5:55
- Instrumental version — 5:56