5-HTP (hydroxytryptophan) is intermediate, an amino acid that is formed in metabolism from the amino acid tryptophan to serotonin and then also to melatonin.
5-Hydroxytryptophan is a dietary supplement mostly extracted from the seeds of the African black bean (Griffonia simplicifolia).
5-HTP is commercially available as a dietary food for the dietary management of depression, may only be used under medical supervision.s.a. biogenic amines