Quellen
1. Chandrasekhar K, Kapoor J, Anishetty S. A prospective, randomized double-blind, placebo-controlled study of safety and efficacy of a high-concentration full-spectrum Ashwagandha root extract in reducing stress and anxiety in adults. *Indian J Psychol Med.* 2012;34(3):255-262. doi:10.4103/0253-7176.106022.
2. Raut AA, Rege NN, Tadvi FM, et al. Exploratory study to evaluate tolerability, safety, and activity of Ashwagandha (Withania somnifera) in healthy volunteers. *J Ayurveda Integr Med.* 2012;3(3):111-114. doi:10.4103/0975-9476.100168.
3. Wankhede S, Langade D, Joshi K, et al. Examining the effect of Withania somnifera supplementation on muscle strength and recovery: a randomized controlled trial. *J Int Soc Sports Nutr.* 2015;12:43. doi:10.1186/s12970-015-0104-9.
4. Ahmad MK, Mahdi AA, Shukla KK, et al. Withania somnifera improves semen quality by regulating reproductive hormone levels and oxidative stress in seminal plasma of infertile males. *Fertil Steril.* 2010;94(3):989-996. doi:10.1016/j.fertnstert.2009.04.046.
5. Lopresti AL, Smith SJ. Ashwagandha and physical performance: A systematic review of evidence. *Healthline*. 2020. Available at: [healthline.com](https://www.healthline.com).