Explore 15 tryptophan-rich foods that may improve your sleep quality and overall health.

Consider swapping turkey and gravy for Mediterranean mains such as grilled branzino to avoid the immune-triggering effects of tryptophan.

Tryptophan is a naturally occurring amino acid found in many foods. We explain what it does, how it impacts your health, and what to know about supplements.

Tryptophan is an essential amino acid that plays a role in the production of serotonin, melatonin, niacin, and nicotinamide. Learn which foods to eat to get more tryptophan.

L-tryptophan is an essential amino acid that helps the body make proteins and certain brain-signaling chemicals. Your body changes L-tryptophan into a brain chemical called serotonin. Serotonin ...

Tryptophan in turkey has become almost as famous as the bird's white and dark meat. So has the legend of its power to make people sleepy. But does Thanksgiving turkey actually induce drowsiness?

Containing the now-exposed tryptophan-binding pocket, the grooves fit together with side chains of another molecule, VE-cadherin -- known to be indispensable for proper vascular development.

Researchers at the Scripps Research Institute have solved a 10-year-old mystery of how a single protein from an ancient family of enzymes can have two completely distinct roles in the body. In ...

TrpRS was found to exist in two different forms, allowing it to either add tryptophan to a protein chain or inhibit angiogenesis, as reported in a Nature journal. Scientists from The Scripps ...

Tryptophan: What Does It Do? An amino acid that brings feelings of calm, relaxation, and sleepiness. By Erik Strand published September 1, 2003 - last reviewed on June 9, 2016 ...