exactly what the evidence claims: Some evidence suggests that berberine, a substance present in goldenseal, does kill some sorts of germs. but there's small proof that goldenseal alone stops colds or has any health https://biobodyboost.co.uk/products/biofem-womens-blend-for-menopause?_pos=1&_psq=biofem&_ss=e&_v=1.0