I-Tongkat Ali Extract iyimpushana yesitshalo ekhishwe ku-Polygonatum (igama lesayensi: i-Codonopsis pilosula), isitshalo somndeni wakwa-Rehmannia. Izingxenye zayo eziyinhloko zihlanganisa i-polysaccharides, i-flavonoids, i-saponins, i-sterols, i-esters, njll. Lezi zithako zikholelwa ukuthi zinemiphumela ehlukahlukene yokunakekelwa kwezempilo kanye nemithi, kuhlanganise ne-anti-oxidation, ukulawulwa kokuzivikela komzimba, ukulwa nokukhathala, ukulwa ne-tumor, njll.