Min. Order Reference FOB Price
1 kg US$1.00-150.00 / kg
Product Description
Product Details 5-hydroxytryptophan (5-hydroxytryptophan, 5-HTP) is an amino acid substance. It can be used as the precursor substance of serotonin (serotonin, 5-HT) in the human body (and then as the precursor substance of melatonin). Some double-blind studies have shown that 5-HTP can increase ...