The amino acid L-5-hydroxytryptophan (5-HTP), extracted from the seeds of the African plant Griffonia simplicifolia, is the direct precursor substance of serotonin and melatonin.
Not to be used in combination with drugs that affect brain metabolism, such as antidepressants and tranquilizers
resources. Use 5-HTP not pregnant or breastfeeding, in Down syndrome, scleroderma,
kidney and liver disorders.