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