Serotonin is a neurotransmitter that helps regulate mood, appetite, sleep, and various other functions. Often called the “feel-good” chemical, low serotonin levels have been implicated in depression, anxiety, and related conditions.

Key Points:

  • Production & Pathways: Primarily synthesized in the gastrointestinal tract, with additional activity in the central nervous system.
  • Pharmacology: Selective Serotonin Reuptake Inhibitors (SSRIs) increase serotonin availability in the synaptic gap, commonly used to treat depression and anxiety.
  • Influencing Factors: Diet (tryptophan intake), exercise, sunlight exposure, and stress can affect serotonin levels.
  • Balance is Key: Excess serotonin can lead to Serotonin Syndrome, a potentially dangerous condition.

Last Update: December 31, 2024