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Acute caffeine ingestion's increase of voluntarily chosen resistance-training load after limited sleep

Association of the anxiogenic and alerting effects of caffeine with ADORA2A and ADORA1 polymorphisms and habitual level of caffeine consumption

Caffeinated chewing gum increases repeated sprint performance and augments increases in testosterone in competitive cyclists

Caffeinated coffee does not acutely affect energy intake, appetite, or inflammation but prevents serum cortisol concentrations from falling in healthy men

Caffeine and opening the eyes have additive effects on resting arousal measures

Caffeine and sprinting performance: dose responses and efficacy

Caffeine can decrease insulin sensitivity in humans

Caffeine enhances working memory for extraverts

Caffeine increases sweating sensitivity via changes in sudomotor activity during physical loading

Caffeine ingestion decreases glucose disposal during a hyperinsulinemic-euglycemic clamp in sedentary humans

Caffeine ingestion reverses the circadian rhythm effects on neuromuscular performance in highly resistance-trained men

Caffeine ingestion, affect and perceived exertion during prolonged cycling

Caffeine supplementation and multiple sprint running performance

Caffeine: a double-blind, placebo-controlled study of its thermogenic, metabolic, and cardiovascular effects in healthy volunteers

Comparing the benefits of caffeine, naps and placebo on verbal, motor and perceptual memory

Dose effect of caffeine on testosterone and cortisol responses to resistance exercise

Dose response effects of a caffeine-containing energy drink on muscle performance: a repeated measures design

Effect of ambient temperature on caffeine ergogenicity during endurance exercise

Effect of caffeine intake on pain perception during high-intensity exercise

Effect of caffeine on LT, VT and HRVT

Effect of caffeine on reactive agility time when fresh and fatigued

Effect of caffeine on target detection and rifle marksmanship

Effect of two doses of caffeine on muscular function during isokinetic exercise

Effects of caffeinated and decaffeinated coffee on biological risk factors for type 2 diabetes: a randomized controlled trial

Effects of caffeine and glucose, alone and combined, on cognitive performance

Effects of caffeine on glucose tolerance: a placebo-controlled study

Effects of caffeine on prolonged intermittent-sprint ability in team-sport athletes

Effects of caffeine on repeated sprint ability, reactive agility time, sleep and next day performance

Effects of caffeine on the metabolic and catecholamine responses to exercise in 5 and 28 degrees C

Effects of diurnal variation and caffeine consumption on Test of Variables of Attention (TOVA) performance in healthy young adults

Ergogenic effect of varied doses of coffee-caffeine on maximal aerobic power of young African subjects

Genetic determinants of blood pressure responses to caffeine drinking

Impact of acute caffeine ingestion on endothelial function in subjects with and without coronary artery disease

Influence of caffeine on perception of effort, metabolism and exercise performance following a high-fat meal

Metabolic effects of caffeine ingestion and physical work in 75-year old citizens. A randomized, double-blind, placebo-controlled, cross-over study

Subjective, behavioral, and physiological effects of acute caffeine in light, nondependent caffeine users

The effect of caffeine ingestion on mood state and bench press performance to failure

The effects of different doses of caffeine on endurance cycling time trial performance

The effects of low-dose caffeine on perceived pain during a grip to exhaustion task

The influence of a CYP1A2 polymorphism on the ergogenic effects of caffeine

Caffeine: Cognitive and Physical Performance Enhancer or Psychoactive Drug?

A review of caffeine’s effects on cognitive, physical and occupational performance - ScienceDirect

Effects of caffeine on sleep quality and daytime functioning | RMHP

Effects of caffeine on human health

The Safety of Ingested Caffeine: A Comprehensive Review

Caffeine intake and its sources: A review of national representative studies