Caffeine supplementation is ergogenic in soccer players independent of cardiorespiratory or neuromuscular fitness levels - Apostolidis, A.; Mougios, V.; Smilios, I.; Frangous, M.; Hadjicharalambous, M. (Journal of the International Society of Sports Nutrition, 2020)
Keywords: soccer; nutrition; supplementation; ergogenic aid; relation; performance; heart; circulation; physical conditioning ability; fatigue; performance capacity; endurance; explosive strength; USA; biological and medical sciences; sport games