Lapacho
Also called Pau d' Arco, it is an extract from the inner bark of the Lapacho tree, which the Incas called the "Tree of Life." It contains numerous minerals and trace elements (including calcium, copper, boron), as well as vitamins and lapachol. Lapacho is said to have antioxidant properties, among other things. Lapacho also has purifying and detoxifying effects.