520MG GOLDENSEAL ROOT EXTRACT. Goldenseal Root Powder - 520mg. The berberine in goldenseal actually prevents the E. coli from binding to urinary tract walls. In particular it is the alkaloid berberine that is most likely responsible for Goldenseal's effectiveness against bacteria, protozoa, fungi, Streptococci and it also promotes easier removal of the bacteria by inhibiting their ability to adhere to tissue surfaces.
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