Restful Nights - 99% Pure 5-HTP Extract - Positive State 1 Bottle 60 Capsules
99% Pure Extract. Benefits of 99% 5-HTP Extract 5-HTP is manufactured from the seeds of an African plant, Griffonia simplicifolia. (99% Pure 5-HTP Griffonia simplificolia). The effects of 5-HTP on symptoms of depression have been well studied.