Following critical evaluation of the available literature to date, The International Society of
Sports Nutrition (ISSN) position regarding caffeine intake is as follows: Supplementation with …

ABSTRACT Position Statement: The International Society of Sports Nutrition (ISSN) bases
the following position stand on a critical analysis of the literature regarding the effects of …

Caffeine is a widely utilized performance-enhancing supplement used by athletes and non-
athletes alike. In recent years, a number of meta-analyses have demonstrated that caffeine's …

Purpose The aim of this study was to systematically review evidence on the prevalence and
magnitude of side effects associated with caffeine supplementation in athletes. Methods …

The aim of this investigation was to perform a systematic review and meta-analysis to
determine the efficacy of the acute ingestion of caffeine (from 3 to 6 mg/kg) to increase …

The ergogenic effect of acute caffeine ingestion has been widely investigated; however,
scientific information regarding tolerance to the performance benefits of caffeine, when …

The ergogenic effect of caffeine is well-established, but the extent of its consumption in sport
is unknown at the present. The use of caffeine was considered “prohibited” until 2004, but …

Purpose Caffeine-containing energy drinks (EDs) are currently used as ergogenic aids to
improve physical performance in a wide variety of sport disciplines. However, the outcomes …

Cognitive functions are essential in any form of exercise. Recently, interest has mounted in
addressing the relationship between caffeine intake and cognitive performance during …

Soccer is a complex team sport and success in this discipline depends on different factors
such as physical fitness, player technique and team tactics, among others. In the last few …