Serotonin is a monoamine neurotransmitter.
Serotonin may also refer to:
Serotonin (album), or the title track, by the Mystery Jets, 2010 Serotonin (novel), by Michel Houellebecq, 2019 "Serotonin" (song), by Girl in Red, 2021 Serotonin (wrestling), a professional wrestling stable "Serotonin", a 2024 song by OneRepublic from Artificial Paradise "Serotonin", a 2022 song by Tom Walker "Serotonin", original name for the 2026 song "Bully" by Kanye West from the 2026 album of the same name.
See also Serotonin transporter Serotonin reuptake inhibitor