The effects of supplementation with a vitamin and mineral complex with guarana prior to fasted exercise on affect, exertion, cognitive performance, and substrate metabolism
Veasey RC, Haskell-Ramsay CF, Kennedy DO, Wishart K, Maggini S, Fuchs CJ, Stevenson EJ (2015) The effects of supplementation with a vitamin and mineral complex with guarana prior to fasted exercise on affect, exertion, cognitive performance, and substrate metabolism: A randomized controlled trial. Nutrients, 7(8):6109-27.