Botanical Overview
Eurycoma longifolia Jack, commonly known as Tongkat Ali, Malaysian ginseng, or Longjack, belongs to the family Simaroubaceae. It is native to Southeast Asia and primarily valued for its root, which is used medicinally.
Energetics
This plant is considered warming and drying in nature, with bitter and pungent tastes. Directionally, it is ascending and tonifying, acting primarily on the qi (energy) of the body.
Primary Actions
- Aphrodisiac
- Testosterone booster
- Adaptogen
- Anti-malarial
Indications
Western
- Fatigue
- Low libido
- Erectile dysfunction
- Reduced testosterone levels
Syndromes
- Male hypogonadism
- Stress-induced fatigue
TCM
No well-established traditional uses.
Ayurveda
No well-established traditional uses.
Unani
No well-established traditional uses.
Constituents & Mechanisms
Contains bioactive phytochemicals including quassinoids such as eurycomanone, alkaloids, saponins, and bioactive peptides which contribute to its androgenic, adaptogenic, and anti-malarial effects.
Dosage & Preparations
- Root extract standardized to 1% eurycomanone: 200-400 mg daily
- Powdered root: 1-3 g daily
- Tincture (1:5, 40% ethanol): 2-5 mL daily
Safety & Contraindications
Generally well tolerated but contraindicated during pregnancy and in hormone-sensitive cancers. Use cautiously with hormone therapies and monitor potential interactions with antidiabetic drugs and anticoagulants. High doses may cause insomnia or restlessness.
Astrological Correspondences
No reliable data on planetary or elemental rulers available.
Selected References
- Phytochemical and pharmacological review of Eurycoma longifolia Jack (Tongkat Ali)
- Eurycoma longifolia Jack in managing male infertility
- Eurycoma longifolia, Herbal Medicine: Biomolecular and Clinical Aspects
- Eurycoma longifolia: Traditional uses and potential benefits, HerbalGram