Hormone Support
Tongkat Ali (Longjack)
Also known as: Eurycoma longifolia, Longjack, Malaysian ginseng, Pasak bumi
A Southeast Asian herb traditionally used to support testosterone levels and male vitality. Recent clinical evidence suggests it may modestly improve testosterone, muscle strength, and sexual function in men.
Primary uses
- Testosterone support
- Libido
- SHBG reduction
- Stress
- Male sexual function
- Muscle strength and recovery
- Energy and vitality
How it works
- May increase free testosterone
- Reduces SHBG binding
- Cortisol reduction
Dosage
- Typical range
- 200-400mg standardized extract
- Timing
- Morning
- With food
- Either
- Duration
- 4+ weeks for effects
- Special populations
- Men with low testosterone, stress
Forms
- Capsule
- Powder
- Standardized extract· 70/100
Safety
Common side effects
- Insomnia
- Irritability
- Restlessness
Contraindications
- Hormone-sensitive cancers
- Heart conditions
Products containing Tongkat Ali (Longjack)
Top-scoring supplements in our catalog that list Tongkat Ali (Longjack) on the label. Each product is graded on Formulate's ingredient-level rubric — dose accuracy, form, transparency, and third-party testing.
Evidence notes
Multiple studies showing testosterone and fertility benefits
Grade B: Some human trials support key claims; further confirmation needed.
Tongkat Ali (Longjack) compared head-to-head
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Open the checkerMedical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider.