Guduchi (Tinospora cordifolia), also known as amrit, is one of the most valued herbs in Ayurveda. Although modern science hasn't been able to confirm its immortalizing properties, a growing number of studies support guduchi's role as an adoptogen, a potent herb that increases the body's resistance to stress, anxiety, and illness. The shrub is native to India, and its root, stems, and leaves are used for healing.