Tongkat ali [botanical name - Eurycoma longifolia] is a shrub native to Southeast Asia. In Indonesia it is known as pasak bumi; in Malaysia as tongkat ali and in Thailand cay ba binh. Tongkat ali and longjack are the most commonly used names for the herb in the Western world.

Tongkat Ali is probably best known for enhancing sexual vitality, but this remarkable herb provides broad adaptogenic and balancing properties for both women and men. The list of traditional uses is long and includes promoting general vitality with aging, enhancing strength, muscle mass and bone mass, supporting balanced mood, strengthening stress tolerance, and supporting energy and general health. Tongkat ali supports immunity and fever reducing actions.

Recent World wide scientific studies in both laboratory animals and humans have defined biochemical components of Tongkat ali shrub and validated all of its traditional uses. As per study Tongkat Ali is a rich source of a variety of bioactive compounds including alkaloids, triterpenoids, and complex polypeptides that may help normalize hormone levels. Quassinoids, the dominant group of chemical compounds in tongkat ali, provide dynamic bioactive properties that helps to promote good health. Like other adaptogenic and restorative herbs, tongkat ali supports to balance the essential secretions of endocrine system through hypothalamus. The hypothalamus is a walnut-sized structure at the base of the brain that controls metabolism and energy (thyroid), reaction to stress (adrenals), and reproductive functions (testes/ovaries). Chronic stress of any sort disrupts the endocrine system with the end result of low energy, stress intolerance, and loss of strength & performance. In this condition Tongkat ali when used regularly supports enhanced athletic performance, stamina, stress tolerance, muscle mass, bone density, and energy in both sexes.