Objective To systematically review, summarise and appraise findings of published meta-
analyses that examined the effects of caffeine on exercise performance. Design Umbrella …

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 …

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 …

An individual's dietary and supplement strategies can influence markedly their physical
performance. Personalized nutrition in athletic populations aims to optimize health, body …

Caffeine (1, 3, 7-trimethylxanthine) is one of the most widely consumed performance-
enhancing substances in sport due to its well-established ergogenic effects. The use of …

Caffeine (CAF) is among the most extensively researched dietary supplements worldwide.
However, little is known about the relationship between dosage and performance …

Purpose To systematically review studies that examined the influence of the CYP1A2−
163C> A polymorphism on the ergogenic effects of caffeine and to discuss some of the …

Aims The main mechanism behind caffeine's ergogenicity lies in its tendency to bind to
adenosine receptors, although other mechanisms might be involved. The aim of this …

Caffeine is one of the most consumed ergogenic aids around the world. Many studies
support the ergogenic effect of caffeine over a large spectrum of exercise types. While the …