Clinical References

Tongkat Ali (Eurycoma longifolia)

Supports healthy testosterone levels, stress response, and overall vitality, as shown in human studies.

  • Tambi, M. I. B. M., & Imran, M. K. (2012). Eurycoma longifolia Jack in managing idiopathic male infertility. Andrologia, 44(S1), 226–230.
  • Talbott, S. M., Talbott, J. A., George, A., & Pugh, M. (2013). Effect of Tongkat Ali on stress hormones and psychological mood state in moderately stressed subjects. Journal of the International Society of Sports Nutrition, 10(1), 28.

Fenugreek (Trigonella foenum-graecum)

Supports healthy testosterone levels, strength, and body composition in clinical studies.

  • Poole, C., et al. (2010). The effects of a commercially available botanical supplement on strength, body composition, power output, and hormonal profiles in resistance-trained males. JISSN, 7(1), 34.
  • Rao, A., et al. (2016). Testosterone-boosting effects of fenugreek extract in aging males. Phytotherapy Research, 30(5), 713–722.

KSM-66 Ashwagandha (Withania somnifera)

Supports healthy testosterone levels while helping reduce stress and support recovery.

  • Wankhede, S., et al. (2015). Examining the effect of Withania somnifera supplementation on muscle strength and recovery. JISSN, 12, 43.
  • Lopresti, A. L., et al. (2019). Ashwagandha supplementation improves stress and anxiety in adults. Medicine (Baltimore), 98(37), e17186.

Zinc

Supports normal testosterone production, particularly in individuals with deficiency.

  • Prasad, A. S., et al. (1996). Zinc status and serum testosterone levels of healthy adults. Nutrition, 12(5), 344–348.

Boron

Supports hormone balance and helps maintain healthy free testosterone levels.

  • Naghii, M. R., et al. (2011). Comparative effects of daily and weekly boron supplementation on plasma steroid hormones. Journal of Trace Elements in Medicine and Biology, 25(1), 54–58.

S7® (Nitric Oxide Blend)

Supports nitric oxide production, helping promote blood flow and performance.

  • Kalman, D. S., et al. (2021). The effects of S7 on nitric oxide production and endothelial function. JISSN, 18(1), 55.