This Plant Increased Testosterone 37% and Dropped Cortisol 16%
Thomas DeLauerPublished on July 11, 2026
Summary authored by editor@wellifi.com
TLDR Summary
Tongkat Ali is a powerful herb that not only boosts testosterone levels but also effectively reduces cortisol, leading to improved hormonal balance. Combining it with zinc-rich foods like pumpkin seeds can further enhance its benefits.
Key Points
- Tongkat Ali showed a 16% reduction in cortisol and a 37% increase in testosterone in a recent study.
- Cortisol suppresses testosterone production at three levels: hypothalamus, pituitary, and Leydig cells.
- The combination of cortisol reduction, lower SHBG, and aromatase inhibition enhances testosterone availability.
- Incorporating pumpkin seeds can support testosterone conversion to DHT and reduce SHBG levels.
- Timing Tongkat Ali intake after the morning cortisol peak is recommended for optimal effects.
The Power of Tongkat Ali: A Comprehensive Look at Its Effects on Testosterone and Cortisol
Tongkat Ali is making a significant comeback in the health and wellness world, and for good reason. This remarkable herb has gained attention not just for its potential to enhance testosterone levels but also for its ability to reduce cortisol, the stress hormone. In this article, we'll explore a recent study highlighting Tongkat Ali's effects, the mechanisms behind its benefits, and how to optimize its use for better health.
Understanding the Study
A recent study published in the Journal of the International Society of Sports Nutrition involved 63 moderately stressed adults who were given 200 mg of Tongkat Ali daily for four weeks. The results were striking:
- Cortisol levels dropped by 16%
- Testosterone levels increased by 37%
These findings are noteworthy because salivary testosterone is a more accurate reflection of free testosterone than standard blood tests. Free testosterone is the biologically active form that produces the desired effects in the body.
The Cortisol Connection
While the testosterone increase is impressive, the more critical finding is the reduction in cortisol. Cortisol negatively impacts testosterone production through three main mechanisms:
1. Hypothalamic Suppression
Elevated cortisol levels suppress GnRH (gonadotropin-releasing hormone), which is essential for initiating testosterone production.
2. Pituitary Functionality
Even if GnRH signals reach the pituitary gland, cortisol can reduce the luteinizing hormone (LH) response, which instructs the Leydig cells in the testes to produce testosterone.
3. Leydig Cell Impairment
Cortisol directly affects Leydig cells, impairing their ability to synthesize testosterone even in the presence of LH.
This tri-level suppression means that if you're chronically stressed, your body's testosterone production is not just lower; it's actively blocked. The 16% reduction in cortisol led to a substantial 37% increase in testosterone because it removed these bottlenecks in the production chain.
How Tongkat Ali Works
Tongkat Ali not only reduces cortisol but also enhances testosterone production and bioavailability in several ways:
- It lowers sex hormone-binding globulin (SHBG), allowing more free testosterone to circulate in the bloodstream.
- It inhibits aromatase, the enzyme that converts testosterone into estrogen, thereby increasing the net testosterone effect.
These mechanisms combined lead to a more significant and sustained increase in usable testosterone levels.
Optimizing Testosterone with Diet
In addition to Tongkat Ali, incorporating specific foods can further enhance testosterone's effects. One such food is pumpkin seeds, which are rich in zinc and magnesium:
- Zinc is crucial for the conversion of testosterone to dihydrotestosterone (DHT), the more potent androgen.
- Magnesium helps lower SHBG, enhancing testosterone bioavailability.
A handful of pumpkin seeds daily can support these processes and potentially mitigate hair loss associated with elevated DHT levels.
Timing and Dosage Recommendations
For optimal results, it's recommended to take Tongkat Ali after the morning cortisol spike, about 60 to 90 minutes after waking. This approach allows cortisol to peak naturally while ensuring Tongkat Ali can effectively lower it throughout the day.
Conclusion
Tongkat Ali presents a powerful natural option for those looking to enhance testosterone levels while managing stress. By understanding its mechanisms and combining it with dietary strategies like adding pumpkin seeds, you can optimize your hormonal health holistically. As research continues to emerge, Tongkat Ali's role in wellness will likely grow even more significant in the years to come.
