Chandrasekhar, K., Kapoor, J., & Anishetty, S. (2012). A prospective, randomized double-blind, placebo-controlled study of safety and efficacy of a high-concentration full-spectrum extract of Ashwagandha root in reducing stress and anxiety in adults. Indian Journal of Psychological Medicine, 34(3), 255-262. doi:10.4103/0253-7176.106022
Pingali, U., Pilli, R., & Fatima, N. (2014). Effect of standardized ashwagandha extract on cognitive functions in healthy human participants. Pharmacognosy Research, 6(1), 12-18. doi:10.4103/0974-8490.122912
Remenapp, A., Coyle, K., Orange, T., Lynch, T., Hooper, D., Hooper, S., Conway, K., & Hausenblas, H. A. (2022). Efficacy of Withania somnifera supplementation on adult’s cognition and mood. Journal of Ayurveda and Integrative Medicine, 13(2), 100510. doi:10.1016/j.jaim.2021.08.003
Xing, D., Yoo, C., Gonzalez, D., Jenkins, V., Nottingham, K., Dickerson, B., Leonard, M., Ko, J., Faries, M., Kephart, W., Purpura, M., Jäger, R., Sowinski, R., Rasmussen, C. J., & Kreider, R. B. (2022). Effects of acute ashwagandha ingestion on cognitive function. International Journal of Environmental Research and Public Health, 19(19), 11852. doi:10.3390/ijerph191911852
Lopresti, A. L., Smith, S. J., Metse, A. P., & Drummond, P. D. (2022). A randomized, double-blind, placebo-controlled trial investigating the effects of an Ocimum tenuiflorum (Holy Basil) extract (Holixer™) on stress, mood, and sleep in adults experiencing stress. Frontiers in Nutrition, 9, 965130. doi:10.3389/fnut.2022.965130
Jamshidi, N., & Cohen, M. M. (2017). The clinical efficacy and safety of Tulsi in humans: A systematic review of the literature. Evidence-Based Complementary and Alternative Medicine, 2017, 9217567. doi:10.1155/2017/9217567