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 ...

Tryptophan is an amino acid you can get in your diet to help improve your mood, sleep, and brain health. Foods like turkey and dairy products are good sources of tryptophan. You can get tryptophan in ...

Merve Ceylan is a dietitian and health writer with four years of experience writing for companies in the nutrition and health industry. Nick Blackmer is a librarian, fact-checker, and researcher with ...