Yellow, Red or Black? - Scientific truths that the industry hides (2025)
Why 95% of all Tongkat Ali users choose the wrong variant.
For over 1000 years, Southeast Asian cultures have known something that the Western world is only now beginning to understand: Tongkat Ali is not just a root – it is three completely different natural forces with radically different effects on your body and performance.
Most of what you've read about Tongkat Ali is either incomplete or outright wrong.
What few people are saying about the Tongkat Ali market.
Most products are sold as if Tongkat Ali were a single root. In reality, red Tongkat Ali is a completely different plant than yellow and black – and the effects differ drastically.
Testosterone increase according to studies (12 weeks):
- Gold: +41.1%
- Black: +18.7%
- Red: +10.9%
Source: International Journal of Sports Medicine, 2024
The Difference Between Yellow, Red, and Black Tongkat Ali
🟡 Golden Tongkat Ali (Eurycoma longifolia)
- Most scientifically studied
- Increases testosterone, strength, libido
- Dosage: 200–400 mg/day
🔴 Red Tongkat Ali (Stema tuberosa)
- Another plant species
- Traditionally used for heart, recovery.
- Dosage: 300–500 mg/day
⚫ Black Tongkat Ali (aged Eurycoma longifolia)
- High concentration of eurycomanone
- Strong bitter taste
- Dosage: 50–200 mg/day (test dose)
Safety and side effects
- Mild stomach upset and headaches may occur in sensitive users.
- Not recommended for pregnant/breastfeeding women.
- Interaction: be cautious with blood thinners and diabetes medication.
How to choose the right one
- For testosterone & strength: Yellow Tongkat Ali
- For recovery & balance: Red Tongkat Ali
- For an intense effect: Black Tongkat Ali
Checklist before purchase
- Extract strength indicated (preferably 100:1 or 200:1)
- At least 1.5% eurycomanone (for the yellow variant)
- COA (third-party analysis) available.
- Origin: Malaysia/Indonesia
- Water-based extraction
Summary
Tongkat Ali is not one, but three different plants/varieties with different uses:
- Yellow: Clinically proven testosterone booster
- Red: Traditional balancing plant (Stema tuberosa)
- Black: Concentrated root for experienced users
Consult a doctor before use if you have any medical conditions or are taking medication.