Botanical
Goldenseal
Goldenseal, Hydrastis canadensis, is a North American plant with a yellow underground stem. It contains the alkaloid berberine.
Also listed as Hydrastis canadensis, Chinese Goldenseal, Golden Seal, Goldenseal Extract
Product identity matters
NCCIH reports that some products labeled goldenseal contained other, undeclared herbs or ingredients. This adds uncertainty beyond the already limited evidence for the plant itself. 1