International society of sports nutrition position stand: caffeine and exercise performance - Guest, N. S.; VanDusseldorp, T. A.; Nelson, M. T.; Grgic, J.; Schoenfeld, B. J.; Jenkins, N. D. M.; Arent, S. W.; Antonio, J.; Stout, J. R.; Trexler, E. T.; Smith-Ryan, A. E.; Goldstein, E. R.; et al. (Journal of the International Society of Sports Nutrition, 2021)
Keywords: nutrition; energy metobolism; supplementation; ergogenic aid; load; training; competition; performance; cognition; sleep; USA; biological and medical sciences