Tongkat Ali
adaptogens
Tongkat Ali (Eurycoma longifolia) is a traditional Southeast Asian herb used to support testosterone levels and male sexual function. Modern research supports its use for improving energy, stamina, and overall vitality in both men and women.
Ready to try Tongkat Ali?
Shop top-rated Tongkat Ali supplements on Amazon UK
Affiliate link — we may earn a small commission at no extra cost to you.
Benefits
Dosage
Typical Dose
200-300 mg daily of standardised extract (1-3% alkaloids)
Upper Limit
400 mg daily
Timing
With meals, divided into 1-2 doses
Forms & Bioavailability
Standardised extract
Highest efficacy; typically standardised to 1-3% alkaloids or 10-22% quassinoids
Powder
Lower standardisation; variable potency depending on source
Capsules
Good bioavailability when standardised; convenient dosing
Side Effects
Interactions
Research Summary
Clinical studies demonstrate that Tongkat Ali significantly increases testosterone levels in men, particularly those with low baseline levels, whilst also improving sexual function and mood. Research indicates improved physical performance and muscle strength in resistance-trained individuals. Most evidence supports efficacy at standardised extracts of 200-300 mg daily for 4-12 weeks.
Compare Tongkat Ali with...
The Bottom Line on Tongkat Ali
Tongkat Ali is well-researched with strong evidence supporting its primary benefits.It is most commonly used for may support healthy testosterone levels and enhanced sexual function and libido. As with any supplement, individual results vary. Start with the lower end of the dosage range and assess for 4-8 weeks before adjusting.
About Our Research
This profile is compiled from peer-reviewed research published on PubMed, the NIH Office of Dietary Supplements, and established nutritional science databases. Dosages reflect clinically-studied amounts from human trials where available. We update profiles as new research emerges. This is not medical advice — consult a healthcare professional before supplementing.
Top Rated Tongkat Ali on Amazon UK
We recommend choosing products with 4+ star ratings and verified reviews. Look for third-party tested brands.
Affiliate links — we earn a small commission at no extra cost to you.
Where to Buy Tongkat Ali
We recommend buying from reputable retailers. Check reviews and third-party testing.
Affiliate links — we may earn a commission at no extra cost to you.
Goal Guides for Tongkat Ali
See how Tongkat Ali can help with specific health goals: