Latin: Eurycoma longifolia
Parts Used: Root
Taste/Energetics: Bitter, warming
Properties: Antimicrobial antimalarial, analgesic, aphrodisiac, circulatory tonic
Actions: Tongkat ali is a common herb to much of South-East Asia where it is used for a variety of reasons including for combating malaria and fever, to relieve headaches and stomachaches and for its libido enhancing properties. In the West it is now promoted primarily as an aphrodisiac with lots of extracts available on the internet. In studies, tongkat ali does indeed improve sperm production and improve erectile function. There is quite a bit of chatter that this is a testosterone builder with anti-estrogenic effects but no research has established that as of yet.
Dosage: 200-300 mg of 100:1 extract.
Contraindications: There is good concern about the sustainability of using this plant. Ethical harvest is must. Can cause irritability and insomnia. Avoid if there is cardiac illness, hypertension.