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The dose-dependent effect of caffeine supplementation on performance, reaction time and postural stability in CrossFit - a randomized placebo-controlled crossover trial.
Główka N, Malik J, Podgórski T, Stemplewski R, Maciaszek J, Ciążyńska J, Zawieja EE, Chmurzynska A, Nowaczyk PM, Durkalec-Michalski K. Główka N, et al. J Int Soc Sports Nutr. 2024 Dec;21(1):2301384. doi: 10.1080/15502783.2023.2301384. Epub 2024 Jan 16. J Int Soc Sports Nutr. 2024. PMID: 38226646 Free PMC article. Clinical Trial.
The effect of multi-ingredient intra- versus extra-cellular buffering supplementation combined with branched-chain amino acids and creatine on exercise-induced ammonia blood concentration and aerobic capacity in taekwondo athletes.
Durkalec-Michalski K, Kusy K, Główka N, Zieliński J. Durkalec-Michalski K, et al. Among authors: glowka n. J Int Soc Sports Nutr. 2021 Jun 14;18(1):48. doi: 10.1186/s12970-021-00451-3. J Int Soc Sports Nutr. 2021. PMID: 34127014 Free PMC article. Clinical Trial.