Ashwagandha: A Natural Approach to Enhancing Testosterone Levels

Ashwagandha: A Natural Approach to Enhancing Testosterone Levels

Ashwagandha, an ancient medicinal herb, has gained popularity for its potential health benefits. Among its various purported effects, the ability to increase testosterone levels has attracted significant attention. In this article, we will delve into a comprehensive study review that explores the impact of ashwagandha supplementation on testosterone levels in healthy males.

Study Overview

The study, conducted on a sample of healthy males aged 40 to 70 years, aimed to investigate the effects of ashwagandha supplementation on hormonal changes and fatigue. The participants were randomly assigned to either an ashwagandha supplementation group or a placebo group. The ashwagandha group received a daily dose of 600 mg of a patented ashwagandha extract called Shoden beads, standardized to withanolide glycosides, over an 8-week period.

Results and Findings

The findings revealed that ashwagandha supplementation led to significant increases in salivary levels of DHEA-S (dehydroepiandrosterone sulfate) and testosterone compared to the placebo group. Specifically, the study observed a 15% rise in salivary testosterone levels and an 18% increase in salivary DHEA-S levels in the ashwagandha group.

The findings of the study also revealed significant insights into the effects of Ashwagandha (Withania somnifera) on hormone levels and vitality in aging, overweight males. The researchers observed that supplementation with Ashwagandha extract resulted in a notable increase in testosterone levels compared to the placebo group. This finding is particularly significant as declining testosterone levels are commonly associated with aging and can have detrimental effects on overall health and well-being.

Moreover, the study demonstrated that Ashwagandha supplementation not only increased testosterone levels but also improved various aspects of vitality in the participants. Vitality encompasses factors such as energy levels, strength, and overall sense of well-being. The participants who received Ashwagandha reported experiencing higher energy levels, enhanced physical performance, and an improved sense of vitality compared to those who received the placebo.

These findings suggest that Ashwagandha supplementation may hold promise as a natural intervention to support hormonal balance and enhance vitality, especially in aging individuals. However, further research is warranted to validate these findings and explore the long-term effects and optimal dosages of Ashwagandha supplementation.

Supporting Studies

The study's findings are consistent with previous research that has demonstrated the testosterone-boosting effects of ashwagandha. Studies on men undergoing resistance training, oligospermic males, and infertile men have reported increases in testosterone levels following ashwagandha supplementation. Furthermore, ashwagandha has been shown to have a lowering effect on corticosterone concentrations, a stress hormone that can inhibit testosterone production, in animal studies.

Mechanisms Behind Testosterone Increase

The exact mechanisms through which ashwagandha influences testosterone production require further investigation. However, several plausible explanations have been proposed. Ashwagandha may modulate the activity of the hypothalamus–pituitary–adrenal (HPA) axis, leading to reduced cortisol levels, which, in turn, may enhance DHEA-S and testosterone concentrations. Additionally, ashwagandha has been shown to stimulate gonadotropin-releasing hormone (GnRH) activity, promoting the production of testosterone and DHEA-S in the testes. The herb's antioxidant and anti-inflammatory properties may also contribute to its impact on testosterone levels.

Safety and Considerations

The study noted that ashwagandha supplementation within the tested parameters did not cause any significant adverse effects and was well-tolerated by participants. However, it is essential to exercise caution when considering testosterone-enhancing interventions, as certain populations, such as those with high cardiovascular risk or preexisting prostate disease, may have specific risks associated with increased testosterone levels. Further research is needed to evaluate the safety and efficacy of long-term ashwagandha supplementation.

Study Limitations and Future Directions

The study had several limitations, including a small sample size and the recruitment of shift and mine workers, which may have affected the generalizability of the findings. Future investigations should involve larger sample sizes, explore varying treatment doses and durations, and consider diverse study populations, including both males and females, to further elucidate the therapeutic and adaptogenic effects of ashwagandha.


In conclusion, the study presented here provides compelling evidence suggesting that ashwagandha supplementation can effectively raise testosterone levels in healthy males. The results demonstrate a significant increase in testosterone levels after a specified duration of ashwagandha intervention compared to the control group receiving a placebo. These findings support the traditional use of ashwagandha as an herbal remedy to enhance male fertility and sexual health.

The observed increase in testosterone levels may be attributed to the herb's bioactive components, such as withanolides, which have been shown to exert adaptogenic and hormone-balancing effects. Ashwagandha's ability to modulate cortisol levels and reduce stress may also contribute to its testosterone-boosting properties, as chronic stress is known to suppress testosterone production.

Moreover, the study revealed no significant adverse effects or safety concerns associated with ashwagandha supplementation within the specified dosage range. This adds to the growing body of evidence supporting the overall safety and tolerability of ashwagandha as a natural supplement.

While this study provides valuable insights into the testosterone-elevating effects of ashwagandha, it is essential to acknowledge certain limitations. The research primarily focused on healthy males, and further investigations involving diverse populations, including individuals with low testosterone levels or specific health conditions, are warranted. Additionally, longer-term studies tracking the sustainability of ashwagandha's testosterone-boosting effects would be beneficial.

Considering the prevalence of testosterone-related concerns and the increasing interest in natural alternatives, ashwagandha holds promising potential as an adjunct therapy for individuals seeking to optimize testosterone levels. However, it is always recommended to consult with healthcare professionals before initiating any supplementation regimen, particularly for individuals with underlying medical conditions or those currently on medication.

Further research is needed to explore the precise mechanisms underlying ashwagandha's impact on testosterone production, its optimal dosage, and long-term effects. Nonetheless, the results of this study contribute to the scientific understanding of ashwagandha's potential as a natural testosterone booster, providing a foundation for future investigations and supporting its integration into holistic approaches to men's health.


Smith, S. J., Lopresti, A. L., Teo, S. Y. M., & Fairchild, T. J. (2019, March 10). A Randomized, Double-Blind, Placebo-Controlled, Crossover Study Examining the Hormonal and Vitality Effects of Ashwagandha (Withania somnifera) in Aging, Overweight Males. National Library of Medicine. Retrieved from