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Slivka, D., Hailes, W., Cuddy, J., & Ruby, B. (2008). Caffeine and carbohydrate supplementation during exercise when in negative energy balance: Effects on performance, metabolism, and salivary cortisol. Applied Physiology, Nutrition, and Metabolism, 33, 1079-1085.

has been cited by the following article:

• TITLE: The Effects of Pre-Exercise High Energy Drink on Exercise Performance in Physically Active Men and Women

  AUTHORS: Marko D. Stojanovic, Mirjana V. Stojanovic, Kristina Kanostrevac, Dragoljub Veljovic, Bojan Medjedovic, Sergej M. Ostojic

  KEYWORDS: Caffeine, Endurance, Heart Rate, Ergogenic Aid

  JOURNAL NAME: Advances in Physical Education, Vol.1 No.1, August 24, 2011

  ABSTRACT: The effect of a pre-exercise energy sport drink on the exercise performance was examined in twenty recreationally active subjects. A randomized, double-blind, placebo-controlled research study design was conducted. Subjects underwent two testing session separated by 7 days, consisted of handgrip strength test, countermovement (CMJ) and vertical jump (VJ) as well as incremental test to exhaustion on motorized treadmill. Before the second trial, they were randomly provided either a placebo (PLA;maltodextrin) or the supplement (NP; commercially marketed as Ultimate Nox PumpTM,). Analysis of variance revealed no differences between supplement and placebo group in strength, CMJ, VJ and maximal oxygen uptake (VO2max) (p > 0.05). Significant difference between groups over time was observed in maximal heart rate, heart rate recovery and time to exhaustion (p