Blood Sugar Sex Magik is the fifth studio album by American rock band Red Hot Chili Peppers, released on September 24, 1991. Produced by Rick Rubin, it was the band's first record released on Warner Bros. Records. The musical styles of Blood Sugar Sex Magik differed notably from the techniques employed on the Chili Peppers' preceding album, Mother's Milk, and featured little use of heavy metal guitar riffs. The album's subject matter incorporated sexual innuendos and references to drugs and death as well as themes of lust and exuberance. Blood Sugar Sex Magik also ranked number 310 on Rolling Stone's the "500 Greatest Albums of All Time" and number 14 on the "100 Best Albums of the Nineties".