Oregon Grape Tincture
The golden yellow root of Oregon grape is commonly harvested as a medicine, and is sometimes substituted for goldenseal, as the two herbs have similar constituent properties. Oregon grape has been clinically shown to support certain skin irritation when used externally. It is also traditionally used as a bitter tonic to stimulate digestion and externally for its antimicrobial properties. The active constituents in Oregon grape root have shown substantial antimicrobial and antifungal activity in vitro, though these activities are unproven in human trials.
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