Hydrastis canadensis, perennial herb in the buttercup family with thick, yellow knotted rootstock and purplish hairy stem, hairy leaves, small flowers and berries resembling raspberries. All parts of Goldenseal are supposed to have anti-inflammatory, antimicrobial, laxative and other medicinal properties. Used in eyewashes and skin lotions, dietary supplements supposed to strengthen immune system and prevent colds. Might have natural contraceptive properties. Should be avoided during pregnancy and lactation, gastrointestinal inflammation, aproinflammatory disorders. High doses my interfere with Vitamin B metabolism.
