General Dosage
200-400mg standardized root extract daily (standardized to 2% eurycomanone or equivalent)
Maximum dose: Up to 600mg daily has been studied safely in short-term trials; 200-400mg is the standard recommended range
Tongkat Ali Dosage Guide
Evidence:Moderate
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Dosage Recommendations
General recommendation: 200-400mg standardized root extract daily (standardized to 2% eurycomanone or equivalent)
Timing: Morning with breakfast; some practitioners recommend cycling (5 days on, 2 days off) though clinical evidence for cycling is limited • Take with food for best absorption.
Dosage by Condition
Testosterone support
200-400mg standardized extract dailyModerate
Stress and cortisol reduction
200mg daily (LJ100 or equivalent)Moderate
Male fertility
200mg daily for 3-9 monthsModerate
Body composition and strength
100-200mg daily with resistance trainingEmerging
| Condition | Recommended Dose | Evidence |
|---|---|---|
| Testosterone support | 200-400mg standardized extract daily | Moderate |
| Stress and cortisol reduction | 200mg daily (LJ100 or equivalent) | Moderate |
| Male fertility | 200mg daily for 3-9 months | Moderate |
| Body composition and strength | 100-200mg daily with resistance training | Emerging |
Upper limit: Up to 600mg daily has been studied safely in short-term trials; 200-400mg is the standard recommended range
Timing & Absorption
Morning with breakfast; some practitioners recommend cycling (5 days on, 2 days off) though clinical evidence for cycling is limited
Best taken with food for optimal absorption.
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References
- RCTTalbott SM, Talbott JA, George A, Pugh M (2013). Effect of Tongkat Ali on stress hormones and psychological mood state in moderately stressed subjects. Journal of the International Society of Sports Nutrition. DOI PubMed
- RCTIsmail SB, Wan Mohammad WMZ, George A, et al. (2012). Randomized Clinical Trial on the Use of PHYSTA Freeze-Dried Water Extract of Eurycoma longifolia for the Improvement of Quality of Life and Sexual Well-Being in Men. Evidence-Based Complementary and Alternative Medicine. DOI PubMed
- RCTHenkel RR, Wang R, Bassett SH, et al. (2014). Tongkat Ali as a potential herbal supplement for physically active male and female seniors — a pilot study. Phytotherapy Research. DOI PubMed
- Meta-analysisKotirum S, Ismail SB, Chaiyakunapruk N (2015). Efficacy of Tongkat Ali (Eurycoma longifolia) on erectile function improvement: systematic review and meta-analysis of randomized controlled trials.. Complementary therapies in medicine. DOI PubMed
- Latip MQA, Noor MHM, Ahmad H, Hassim HA, et al. (2022). A Systematic Review on Antimicrobial and Antiparasitic Activity of Eurycoma longifolia Jack (Tongkat Ali).. BioMed research international. DOI PubMed
- Ulbricht C, Conquer J, Flanagan K, Isaac R, et al. (2013). An evidence-based systematic review of tongkat ali (Eurycoma longifolia) by the Natural Standard Research Collaboration.. Journal of dietary supplements. DOI PubMed
- Muniandy S, Yahya HM, Shahar S, Kamisan Atan I, et al. (2025). Effect of Eurycoma longifolia water extract (Physta®) on menopausal quality of life and mood states.. World journal of clinical cases. DOI PubMed
Show 3 more references
- Meta-analysisLeisegang K, Finelli R, Sikka SC, Panner Selvam MK (2022). Eurycoma longifolia (Jack) Improves Serum Total Testosterone in Men: A Systematic Review and Meta-Analysis of Clinical Trials.. Medicina (Kaunas, Lithuania). DOI PubMed
- Leitão AE, Vieira MCS, Pelegrini A, da Silva EL, et al. (2021). A 6-month, double-blind, placebo-controlled, randomized trial to evaluate the effect of Eurycoma longifolia (Tongkat Ali) and concurrent training on erectile function and testosterone levels in androgen deficiency of aging males (ADAM).. Maturitas. DOI PubMed
- Udani JK, George AA, Musthapa M, Pakdaman MN, et al. (2014). Effects of a Proprietary Freeze-Dried Water Extract of Eurycoma longifolia (Physta) and Polygonum minus on Sexual Performance and Well-Being in Men: A Randomized, Double-Blind, Placebo-Controlled Study.. Evidence-based complementary and alternative medicine : eCAM. DOI PubMed