... 95% 99% 5-htp 3. Ready stock. Name 5-HTP, griffonia seeds extract, 5-htpPLANT ORIGINAL Griffonia simplicifoliaPART USED:SeedsSPECIFICATION 5-HTP 99% Test ... the compound 5-hydroxytryptophan) is a derivative of the amino acid tryptophan. A mood-enhancing chemical, 5-HTP has attracted ... , called serotonin. In 1994, 5-HTP was introduced in the U.S.; 5-HTP is thought to pose significantly less ...