 Liquid extract of the herb will be taken followed by milk; this mode of administration will be used as it approximates the traditional administration as well as making self administration easier for participants. Extract will be taken in 3 milliliter quantities 2 times per day, morning and evening, for five days. Total dosage of 6 milliliters will approximate the higher end of the traditional daily dosage of 6 grams daily of powdered root. 