Serotonin is a neurotransmitter and hormone that affects mood, sleep, digestion, and more. Learn how to increase serotonin levels naturally or with medications, and what serotonin syndrome is and how to prevent it.

Serotonin is a neurotransmitter responsible for regulating mood, digestion, sleep, and more. Learn how serotonin functions and how to balance it.

Serotonin — aka 5-hydroxytryptamine (5-HT) — is a chemical substance your body produces naturally. It acts both as a neurotransmitter and hormone, and it helps sends messages between your nerve...

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 enterochromaffin cells of the intestinal mucosa.

Serotonin can stave off depression and provide a feeling a euphoria. When you feel happy and all seems right with the world, you're feeling the effects of serotonin. This hormone is responsible for boosting mood, as well as a host of other functions.

Serotonin is a neurotransmitter that regulates mood, sleep, appetite, and cognitive functions. Though primarily found in the intestines, its presence in the brain affects emotional well-being and mental health. Abnormal serotonin levels are linked to depression and anxiety.

Serotonin, also known as 5-hydroxytryptamine (5-HT), is a neurotransmitter (chemical messenger) that helps regulate various functions in the brain and body. Researchers have linked too-high and too-low levels of serotonin to a range of symptoms and conditions.

Serotonin is a compound that functions in both the central and peripheral nervous systems. It acts in the form of the hormone, neurotransmitter, and mitogen in our body. [2] The compound was first discovered in 1935 by a Roman scientist named Vittorio Erspamer.