Jarrow formulas 5-HTP is an extract of Griffonia simplicifolia seeds from coastal West Africa and is verified to be free of the "peak X" contaminant. 5-HTP (5-Hydroxytryptophan) supports serotonin synthesis*.
Purity is assured by HPLC
5-HTP is the direct metabolic precursor of serotonin*
5-HTP is important for the production of melatonin*
