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The world’s most popular central nervous system stimulant, Caffeine is ubiquitous and consumed in various forms for many different reasons. Most popularly, it’s consumed in the form of coffee, to stave off drowsiness.

When taken as a supplement, a humble dose of caffeine can help boost your performance during cardiovascular activity and it’s also available as a component in weight loss mixtures. Caffeine overdosing is extremely dangerous and likely if regular dose limits are disregarded. Consult your physician regarding your recommended caffeine dosage.

 

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We recommend that you read labels, warnings and directions of all products before use and not rely solely on the information provided by supplements org. Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition. Under no circumstances should any information found on this website be considered a replacement for personal medical guidance from a qualified clinician or your own doctor, irrespective of the publication date.

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Fluid Balance. Best Electrolytes Products And Diuretic Water Pills.

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46 Sources like nih.gov

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

http://www.ncbi.nlm.nih.gov/pubmed/22349085

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

http://www.ncbi.nlm.nih.gov/pubmed/20520601

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

http://www.ncbi.nlm.nih.gov/pubmed/20737165

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

http://www.ncbi.nlm.nih.gov/pubmed/21346100

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

http://www.ncbi.nlm.nih.gov/pubmed/21489866

Caffeine and sprinting performance: dose responses and efficacy

http://www.ncbi.nlm.nih.gov/pubmed/22388491

Caffeine can decrease insulin sensitivity in humans

http://www.ncbi.nlm.nih.gov/pubmed/11815511

Caffeine enhances working memory for extraverts

http://www.ncbi.nlm.nih.gov/pubmed/20816912

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

http://www.ncbi.nlm.nih.gov/pubmed/21883004

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

http://www.ncbi.nlm.nih.gov/pubmed/11574419

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

http://www.ncbi.nlm.nih.gov/pubmed/22496767

Caffeine ingestion, affect and perceived exertion during prolonged cycling

http://www.ncbi.nlm.nih.gov/pubmed/21605608

Caffeine supplementation and multiple sprint running performance

http://www.ncbi.nlm.nih.gov/pubmed/18799995

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

http://www.ncbi.nlm.nih.gov/pubmed/2333832

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

http://www.ncbi.nlm.nih.gov/pubmed/18554731

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

http://www.ncbi.nlm.nih.gov/pubmed/18458357

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

http://www.ncbi.nlm.nih.gov/pubmed/22569090

Effect of ambient temperature on caffeine ergogenicity during endurance exercise

http://www.ncbi.nlm.nih.gov/pubmed/21120518

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

http://www.ncbi.nlm.nih.gov/pubmed/21411832

Effect of caffeine on LT, VT and HRVT

http://www.ncbi.nlm.nih.gov/pubmed/22499570

Effect of caffeine on reactive agility time when fresh and fatigued

http://www.ncbi.nlm.nih.gov/pubmed/21266929

Effect of caffeine on target detection and rifle marksmanship

http://www.ncbi.nlm.nih.gov/pubmed/14668172

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

http://www.ncbi.nlm.nih.gov/pubmed/20421833

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

http://www.ncbi.nlm.nih.gov/pubmed/21914162

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

http://www.ncbi.nlm.nih.gov/pubmed/20521321

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

http://www.ncbi.nlm.nih.gov/pubmed/9846599

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

http://www.ncbi.nlm.nih.gov/pubmed/16540848

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

http://www.ncbi.nlm.nih.gov/pubmed/21178933

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

http://www.ncbi.nlm.nih.gov/pubmed/8201901

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

http://www.ncbi.nlm.nih.gov/pubmed/21244169

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

http://www.ncbi.nlm.nih.gov/pubmed/21503180

Genetic determinants of blood pressure responses to caffeine drinking

http://www.ncbi.nlm.nih.gov/pubmed/22170367

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

http://www.ncbi.nlm.nih.gov/pubmed/21349479

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

http://www.ncbi.nlm.nih.gov/pubmed/16815783

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

http://www.ncbi.nlm.nih.gov/pubmed/16886964

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

http://www.ncbi.nlm.nih.gov/pubmed/16541243

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

http://www.ncbi.nlm.nih.gov/pubmed/21157384

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

http://www.ncbi.nlm.nih.gov/pubmed/22142020

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

http://www.ncbi.nlm.nih.gov/pubmed/21522070

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

http://www.ncbi.nlm.nih.gov/pubmed/22420682

Caffeine: Cognitive and Physical Performance Enhancer or Psychoactive Drug?

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4462044/

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

https://www.sciencedirect.com/science/article/pii/S0149763416300690

Effects of caffeine on sleep quality and daytime functioning | RMHP

https://www.dovepress.com/effects-of-caffeine-on-sleep-quality-and-daytime-functioning-peer-reviewed-fulltext-article-RMHP

Effects of caffeine on human health

https://pubmed.ncbi.nlm.nih.gov/12519715/

The Safety of Ingested Caffeine: A Comprehensive Review

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5445139/

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

https://pubmed.ncbi.nlm.nih.gov/28605236/
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