|Trial Design||Double blind|
|Trial Length||24 hours|
|Number of Subjects||48|
|Age Range||18-29, 30-44, 45-64|
|Body Types||Overweight, Average|
In healthy persons and persons with panic attacks, 5-HTP at 200mg increased levels of circulating cortisol relative to placebo over the course of 4 hours after ingestion of a single dose.