Thorne Research

Thorne Research 5-Hydroxytryptophan

Tax included.

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.


Take 1-2 capsules three times daily or as recommended by your health professional.


Vitamin B