Herb Pharm, Goldenseal Extract, 4 OzProduct Description Goldenseal extract from the rhizome and rootlet of organic hydrastis canadensis plants. Only use cultivated goldenseal in order to preserve wild growing populations of this threatened plant. To assure optimal extraction of the herbs bioactive compounds, the rhizome and rootlets are dug in the autumn, meticulously cleaned and carefully shade dried, then thoroughly extracted. Product Benefits Support For The Respiratory System.