Serotonin is a biological molecule that acts as a potent vasoconstrictor and neurotransmitter. It is derived from the amino acid tryptophan and occurs in the brain, intestinal tissue, blood platelets, and mast cells. It also is a constituent of many venoms, including wasp venom and toad venom. Serotonin is a neurotransmitter important for mood, digestion, and sleep. You can increase serotonin levels naturally through exercise and sunlight. Serotonin is a naturally occurring monoamine neurotransmitter that carries signals between nerve cells throughout your body. Serotonin, or 5-hydroxytryptamine (5-HT), is a neurotransmitter with an integral physiological role in the human body; it regulates various activities, including behavior, mood, memory, and gastrointestinal homeostasis. Serotonin is synthesized in the raphe nuclei of the brainstem and the enterochro … Discover the production, function, and symptoms of low and high serotonin levels. Learn about treatments for regulating serotonin.
