This herb was used by native Americana to cure wounds and infections. It is processedinto either comminute or powdered substances, to serve as a tea for oral useor packaged into solid dosage form. Then dry extract is extracted using ethanol andencapsulated into 170–470 mg capsules. In powder form, it is packed 250 mg/capsule(Gupta et al. 2004). This herb is also sometimes served as a liquid tincture(Barnes et al. 2005).
