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As secondary data available in some studies, free testosterone, dehydroepiandrosterone, and SHBG results were reported. Chinnappan et al. observed a significant difference between healthy volunteers with testosterone lower than 300 ng/dL treated with E. Longifolia extraction as a sole intervention in adult males and reporting pre- and post-treatment serum testosterone as an outcome.
Tongkat ali’s primary mechanism for testosterone improvement is not directly stimulating production, though some evidence suggests mild stimulatory effects. Individuals experiencing fatigue, stress-related hormonal suppression, or age-related testosterone decline may benefit most. Tongkat Ali supports natural hormone balance but does not replace testosterone therapy prescribed for medical deficiency.
Meta-analysis of the outcome variable testosterone in serum. As different groups were analyzed in their studies after E. Assessment of quality and risk of bias of the studies included in the meta-analysis, using the version 2 of the Cochrane risk-of-bias tool for randomized trials .
Studies show Eurycoma longifolia jack in middle-aged male rats and humans boosts libido and erectile function , . Tongkat's chemicals, known to raise testosterone, may combat these issues . The National Library of Medicine notes low testosterone can stem from aging, certain treatments like chemotherapy, medications, testicular issues, alcoholism, and sleep apnea . According to the National Institutes of Health, Tongkat Ali, derived from Eurycoma longifolia jack roots, is a Southeast Asian herbal remedy for infections, fevers, and infertility .
So while Tongkat Ali may help, it tends to work best when combined with the broader lifestyle factors that support hormonal health. For example, vitamin D plays a major role in testosterone regulation. However, Tongkat Ali should never be viewed as a replacement for the fundamentals of hormone health. • energy levels • training motivation • recovery capacity • libido and mood After several weeks of Tongkat Ali supplementation, participants experienced reductions in cortisol and improvements in testosterone balance.
However, not all products on the market meet these requirements. In addition, most of the studies discussed in this systematic analysis used the same commercial product for E. First and foremost, the analysis was based on five studies, which were heterogeneous in terms of study design, included population, dosage and length of treatment, and limited sample sizes.
Several studies support the notion that Tongkat Ali extract increases free testosterone, total testosterone, dihydrotestosterone (DHT), and dehydroepiandrosterone (DHEA) . Eurycoma longifolia extract improves sperm quality, tackling infertility from low testosterone, notably in late-onset hypogonadism . Tongkat Ali boosts testosterone levels by up to 37%, normalizing it in over 90% of users . In fact, several clinical trials show that Tongkat Ali is highly effective for boosting total and free testosterone levels.
Although research is limited, some studies suggest it may improve muscle strength and endurance. Improved libido and sexual performance have been reported by men taking Tongkat Ali supplements. Tongkat Ali, a herbal remedy from Southeast Asia, has gained popularity for potentially boosting testosterone and addressing low libido in men.
The key takeaway here is that Tongkat Ali isn’t magic — but it may help create a biological environment where testosterone production can function more effectively. Hormone health is heavily influenced by micronutrients, lifestyle, recovery, and overall metabolic health. Third, Tongkat Ali appears to influence luteinising hormone (LH) activity, which is part of the hormonal signalling system that tells the testes to produce testosterone. Some research suggests Tongkat Ali can reduce SHBG binding, leaving more testosterone available for the body to use. Second, Tongkat Ali may increase the amount of free testosterone in circulation.

Gender: Female