Nowadays, caffeine is one of the most commonly consumed substances, which presents in
many plants and products. It has both positive and negative effects on the human body, and …

The plant defence compound caffeine is widely consumed as a performance enhancer in a
sporting context, with potential benefits expected in both physiological and psychological …

The consumption of energy drinks (eg, containing caffeine and taurine) has increased over
the last decade among adolescents and athletes to enhance their cognitive level and …

Caffeine is one of the most studied supplements in the world. Studies correlate its use to
increased exercise performance in endurance activities, as well as its possible ergogenic …

Previous investigations have found that several genes may be associated with the
interindividual variability to the ergogenic response to caffeine. The aim of this study is to …

Caffeine is a popular ergogenic aid due to its primary physiological effects that occur
through antagonism of adenosine receptors in the central nervous system. This leads to a …

Context Although the stimulant and anxiogenic properties of caffeine are widely accepted,
research on its specific effects on the brain remains controversial. Growing evidence shows …

Background The ergogenic effects of caffeine intake on exercise performance are well-
established, even if differences exist among individuals in response to caffeine intake. The …

Background: Ashwagandha (Withania somnifera) has been reported to decrease
perceptions of stress, enhance mood, and improve cognitive function. However, it is …

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 …