What is Tongat ali Extract? Tongkat Ali, or long jack, is an herbal extract obtained from the roots of the green shrub tree Eurycoma longifolia. It is an indigenous plant in Southeast Asian countries like Malaysia, Indonesia, and Vietnam. Tongkat Ali is used to remedy malaria. Infections, fever, male infertility, and erectile dysfunction. The health-benefitting traits of this medicinal herb are attributed to several bioactive compounds present in the plant, including flavonoids, alkaloids, and other compounds that act as antioxidants. Augments Male Reproductive Health. Always consult your health care provider before taking any supplements. People taking medications should consult their health care provider/s before taking any dietary supplement. If you experience any adverse condition after taking this dietary supplement, discontinue use immediately and consult your health care provider. Keep out of reach of children. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.