Tryptophan is an amino acid you can get in your diet to help improve your mood, sleep, and brain health. Try eating foods ...

Tryptophan is often dismissed as the reason for post-Thanksgiving fatigue, but its role in human health extends far beyond the holiday table. As an essential amino acid, tryptophan is crucial for ...

The amino acids 5-hydroxytryptophan (5-HTP) and l-tryptophan are precursors of serotonin. 5-HTP is generally recommended over l-tryptophan because it crosses the blood-brain barrier at a higher rate, ...

The claim that eating turkey can make people particularly sleepy has long been shared around Thanksgiving (and sometimes Christmas) dinner tables. Fans of the sitcom "Seinfeld " may recall one episode ...