tongkat ali tree
Large photo

The scientific name of tongkat ali is Eurycoma longifolia.

Tongkat ali has been studied for a wide range of applications. Below are references to some of these studies.


Effect of Tongkat Ali on stress hormones and psychological mood state in moderately stressed subjects


Eurycoma longifolia Jack in managing idiopathic male infertility

Breast cancer

Cytotoxic effects of the root extracts of Eurycoma longifolia Jack

Colon cancer

Anti-angiogenic quassinoid-rich fraction from Eurycoma longifolia modulates endothelial cell function


Screening for antihyperglycaemic activity in several local herbs of Malaysia


Antibacterial activity of Eurycoma longifolia Jack. A Malaysian medicinal plant.


Ethnobotanical study on some Malaysian anti-malarial plants: A community based survey