A hearty bowl of turkey and potato hash garnished with fresh green onions, served with a touch of elegance using a gold fork, set against a crisp white background. Turkey for mental health Our bodies use an amino acid called tryptophan to produce serotonin, an important brain chemical often called the “feel-good” hormone. Serotonin is heavily involved in mood regulation and sleep, and there’s some evidence that it plays a role in depression as well. Tryptophan can be found