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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.

Benefits

May support healthy testosterone levels
Enhanced sexual function and libido
Increased energy and physical performance
Improved muscle strength and body composition
Reduced stress and cortisol levels

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

Insomnia or sleep disturbances at higher doses
Increased heart rate or mild restlessness
Gastrointestinal upset in sensitive individuals
Headaches (rare)

Interactions

May potentiate the effects of testosterone replacement therapy
Possible interaction with blood pressure medications
Caution with stimulant medications

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.

Where to Buy Tongkat Ali

We recommend buying from reputable retailers. Check reviews and third-party testing.

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Disclaimer: This information is for educational purposes only and is not medical advice. Always consult a healthcare professional before starting any supplement, especially if you have existing health conditions or take medication.