Guarana (Paullinia cupana) but Not Low-Dose Caffeine Improves Cycling Time-Trial Performance Versus Placebo
Abstract
In a double-blind crossover trial, eleven endurance-trained participants ingested caffeine, guarana (Paullinia cupana, containing 130 mg caffeine) or placebo before cycling. Guarana improved 15-min time-trial work output versus placebo, with lower perceived exertion, indicating an ergogenic effect possibly involving central mechanisms reducing perceived effort.
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How to cite
Penna, E.M., Harp, A., Hack, B., Talik, T.N. and Millard-Stafford, M (2024) 'Guarana (Paullinia cupana) but Not Low-Dose Caffeine Improves Cycling Time-Trial Performance Versus Placebo', International Journal of Sport Nutrition and Exercise Metabolism, 34(1), pp. 30-37. doi:10.1123/ijsnem.2023-0148
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