Supplements / Conditional
Tongkat Ali (Eurycoma longifolia)
Best for: Stress, Performance
Tongkat Ali (Eurycoma longifolia) is rated limited evidence (tier C on our evidence scale). 200–400 mg standardized extract daily. Morning; can disturb sleep if taken late.
Sources last reviewed
When and how to take Tongkat Ali (Eurycoma longifolia)
- Dose
- 200–400 mg standardized extract daily.
- Timing
- Morning; can disturb sleep if taken late.
- Review
- Reassess after 4 to 8 weeks.
- Forms
- lj100, physta-standardized eurycoma
What Tongkat Ali (Eurycoma longifolia) is used for
- Small RCTs show modest cortisol-lowering and testosterone-supporting signals in stressed men.
- Heavy-metal contamination has been reported in unverified products.
Who should be careful with Tongkat Ali (Eurycoma longifolia)
- Not appropriate during pregnancy or breastfeeding.
- Check for interactions if you take prescription medication.
Safety checks for Tongkat Ali (Eurycoma longifolia)
- Needs a clinician's OK: Polypharmacy (5+ prescriptions)
- Needs a clinician's OK: Any prescription medication
- Not suggested: Pregnancy or breastfeeding
What to look for when buying Tongkat Ali (Eurycoma longifolia)
- Preferred third-party verification: Third-party tested (COA).
- Common contamination risks: Heavy metals, Mislabeling / identity, Ingredient swapping.
- Identity: Standardized to eurycomanone; LJ100 / Physta are the verified-grade extracts in trials.
Talk to a clinician first
This is a supplement we won’t link to a specific product without clinician context. Once we offer clinician partner pathways, this is where they’ll appear.
If you’re working with a doctor or qualified practitioner, they can advise on dose, brand, and monitoring.
Your experience
If you’ve tried Tongkat Ali (Eurycoma longifolia), you can log how it went. This stays on your device — only you see it.
We frame these as personal experience, not medical claims. Self-reported subjective outcomes are influenced by placebo, regression to the mean, and parallel lifestyle changes. We’ll never present ratings as equivalent to RCT evidence.
Research sources for Tongkat Ali (Eurycoma longifolia)
- Eurycoma longifolia (Tongkat ali) RCT review (reviewed 2026-04-30)
Related supplements
Almavivo is for education only, not medical advice. Check with a doctor or pharmacist before starting a supplement, especially if you take prescription medicine, are pregnant or breastfeeding, or have a long-term health condition.