3D ball-and-stick molecular model of Tryptophan on a white background, an essential amino acid.

Tryptophan

Also known as: L-Tryptophan, Tryptophan HCl, 5-Hydroxyindole-3-acetic acid, N-(indol-3-yl)alanine, Tryptophan hydrochloride

Tryptophan is an essential amino acid that the human body requires to synthesize proteins but cannot produce on its own, necessitating its intake through dietary sources. This amino acid is abundantly present in protein-rich foods such as turkey, chicken, fish, eggs, nuts, and seeds. Tryptophan plays a crucial role in the production of serotonin, a neurotransmitter that significantly influences mood regulation, sleep, and overall feelings of well-being. The process by which tryptophan contributes to these functions involves its conversion into serotonin within the brain, which can help allevia...

Potential Side Effects

Side effects score: 3; Tryptophan supplements commonly cause gastrointestinal issues such as nausea and diarrhea, as well as dizziness and drowsiness. While these effects are generally mild, it is important to be aware of the rare but serious risk of serotonin syndrome, particularly if tryptophan is taken alongside other serotonergic medications.

Health Categories

View efficacy ratings for Tryptophan across multiple health categories.

Research & Evidence

Our efficacy ratings are based on scientific research and clinical studies.

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