Ingesting a pre-workout supplement containing caffeine, B-vitamins, amino acids, creatine, and beta-alanine before exercise delays fatigue while improving reaction time and muscula... by Spradley Brandon D, Crowley Kristy R, Tai Chih-Yin, Kendall Kristina L, Fukuda David H, Esposito Enrico N, Moon Sarah E, Moon Jordan R

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