Womperski, K., Woźniak, J., Szymonik, J., Szopa, S. and Elias, J. 2024. Benefits of l-theanine supplementation and its possible role in clinical use – review. Quality in Sport. 16, (Apr. 2024), 50537. DOI:https://doi.org/10.12775/QS.2024.16.001.