Background Caffeine is commonly used as an ergogenic aid. Literature about the effects of
caffeine ingestion on muscle strength and power is equivocal. The aim of this systematic …

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 …

Background Caffeine is a widely used ergogenic aid with most research suggesting it
confers the greatest effects during endurance activities. Despite the growing body 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 …

ABSTRACT GUEST, N., P. COREY, J. VESCOVI, and A. EL-SOHEMY. Caffeine, CYP1A2
Genotype, and Endurance Performance in Athletes. Med. Sci. Sports Exerc., Vol. 50, No. 8 …

Caffeine use is widespread in sport, with a strong evidence base demonstrating its
ergogenic effect. Based on existing research, current guidelines recommend ingestion of 3 …

The aim of this review was to determine the magnitude of the placebo and nocebo effect on
sport performance. Articles published before March 2019 were located using Medline, Web …

This paper aims to critically evaluate and thoroughly discuss the evidence on the topic of
caffeine supplementation when performing resistance exercise, as well as provide practical …

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

This study investigates the influence of habitual caffeine intake on aerobic exercise-
performance responses to acute caffeine supplementation. A double-blind, crossover …