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 importantfor the production of melatonin. ...

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 importantfor the production of melatonin. ...

5-HTP, also known as 5-hydroxytryptophan, is the direct precursor to the neurotransmitter serotonin. Low levels of serotonin are associated with sleep problems, Despair, abnormal apprehension fearfulness, compulsive eating Malfunction of mind or bodys, restless leg syndrome, migraines, fibromyalgia and low Discomfort threshold. Many people that ar ...