5-Hydroxytryptophan by Thorne Research. 90 Caps. 5-HTP Increases Serotonin.

5-Hydroxytryptophan enhances sleep and helps manage stress* 5-HTP increases serotonin levels to promote restful sleep, manage stress, and decrease sugar cravings.* It contains pyridoxal 5'-phosphate, the active form of vitamin B6 and the necessary cofactor for the conversion of 5-HTP to serotonin.   DESCRIPTION Benefits - Mood, Sleep The serotonin levels in the body are associated with the regulation of sleep, mood, and appetite. A balanced serotonin level has been shown to support restful sleep, good mood, and decreased sugar cravings.* There are several ways to support a healthy serotonin level. L-tryptophan and 5-Hydroxytryptophan (5-HTP) are both precursors to serotonin. However, supplementation with 5-HTP is preferable, because unlike L-tryptophan, 5-HTP cannot be shunted into other uses in the body, such as niacin or protein production. 5-HTP is well absorbed by the body and easily crosses the blood-brain barrier where it can increase the synthesis of serotonin in the central ner