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Tongkat Ali

Southeast Asian herb (Eurycoma longifolia); modest evidence for testosterone support & stress reduction in men.

hormonesstrengthlibidolongevity

Evidence last reviewed: 04 Apr 2026

Evidence
1 record
1 recordBest grade:Moderate
Biomarkers
Testosterone

The evidence for Tongkat Ali shows a consistent but modest increase in free testosterone levels and improvements in libido among aging men and those with low testosterone. However, the overall strength of the evidence is moderate, and individual responses may vary.

Testosterone / sexual function
Aging men; men with late-onset hypogonadism · RCTs (several)
Moderate

Consistent but modest free testosterone increase (~15–40%); libido improvements in most trials.

Dose: 200 mgDuration: 4–12 weeks
Most evidence in men over 40 or those with suboptimal T levels.
Stacks containing Tongkat Ali
Explore all →
hormonalmens-healthtestosterone

Combining Tongkat Ali with Mucuna Pruriens can support hormonal balance and testosterone levels in men. Tongkat Ali is known for its testosterone-boosting properties, while Mucuna Pruriens supports dopamine production and hormonal balance.

Tongkat Ali
500mg
Mucuna Pruriens
5000mg
New
View
hormonalmens-healthlibido

This stack combines tongkat ali & boron to support hormonal balance & enhance libido in men. Tongkat ali is known for its testosterone-boosting effects, while boron supports testosterone metabolism & bone health.

Tongkat Ali
200mg
Boron
6mg
New
View
Community Insights
Forms & usage
How to take it

Take 200-400 mg daily, preferably in the morning.

Standardised root extract (100:1 or 200:1)
LJ100 and Physta are studied commercial extracts.
Safety & trade-offs2
Sleep

May exacerbate anxiety or sleep disruption in sensitive individuals due to mild androgen elevation

Note

Heavy metal (mercury) contamination reported in some Malaysian products — choose third-party tested sources

High  Moderate   Low / note

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