Goldenseal herb has strong antibiotic properties. It has a long history of use in infections including bacterial, viral, fungal, and parasitic. Staph, strep, E. coli, Vibrio cholera, Giardia lamblia,and even tuberculosis bacterium have proven sensitive to this herb. Garlic is a powerful antiviral, antifungal and antibacterial herb. In a study reported in the Journal of the American Chemical Society, it showed that one milligram of the major garlic constituent, allicin, may be equal to 15 standard units of penicillin.
Licorice root is antibacterial, antiviral and antiinflammatory.
In one Japanese study, strains of Staphylococcus aureus that proved resistant to penicillin and streptomycin were inactivated by licorice root extract.