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86 studies in supplements.
Effects of Acute Caffeine Intake on Endurance Perform… (PMID 41147687)
PMID 41147687 (2026): caffeine — Time-trial performance, Time to exhaustion (study note for endurance athletes).
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Caffeine intake reverses the impairment of sleep rest… (PMID 40640600)
PMID 40640600 (2026): caffeine — Time-trial performance, Time to exhaustion (study note for endurance athletes).
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CYP1A2 Genotype and the Ergogenic Effect of Acute Caf… (PMID 41627185)
PMID 41627185 (2026): caffeine — Time-trial performance, Time to exhaustion (study note for endurance athletes).
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Acute Effects of Caffeine and Taurine Co-Ingestion on… (PMID 40956767)
PMID 40956767 (2025): caffeine — Time-trial performance, Time to exhaustion (study note for endurance athletes).
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Acute effects of combined and isolated caffeine and t… (PMID 41668720)
PMID 41668720 (2025): caffeine — Time-trial performance, Time to exhaustion (study note for endurance athletes).
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Caffeine enhances performance regardless of fueling s… (PMID 40964913)
PMID 40964913 (2025): caffeine — Time-trial performance, Time to exhaustion (study note for endurance athletes).
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Effects of taurine combined with caffeine on repetiti… (PMID 39948152)
PMID 39948152 (2025): caffeine — Time-trial performance, Time to exhaustion (study note for endurance athletes).
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Acute caffeine supplementation offsets the impairment… (PMID 39438312)
PMID 39438312 (2025): caffeine — Time-trial performance, Time to exhaustion (study note for endurance athletes).
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Intrasession Caffeine Intake and Cycling Performance… (PMID 39326860)
PMID 39326860 (2025): caffeine — Time-trial performance, Time to exhaustion (study note for endurance athletes).
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Performance-enhancing effects of caffeine and L-Thean… (PMID 40977612)
PMID 40977612 (2025): caffeine — Time-trial performance, Time to exhaustion (study note for endurance athletes).
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The Acute Effects of Caffeine and Normobaric Hypoxia… (PMID 40675560)
PMID 40675560 (2025): caffeine — Time-trial performance, Time to exhaustion (study note for endurance athletes).
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Effects of caffeine and its metabolites, theobromine… (PMID 40850526)
PMID 40850526 (2025): caffeine — Time-trial performance, Time to exhaustion (study note for endurance athletes).
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Ergogenic effects of supplement combinations on endur… (PMID 40619880)
PMID 40619880 (2025): caffeine, bicarbonate — Time-trial performance, Time to exhaustion (study note for endurance athletes).
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Single and combined effect of beetroot juice and caff… (PMID 40369047)
PMID 40369047 (2025): caffeine, beetroot — Time-trial performance, Time to exhaustion (study note for endurance athletes).
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Acute caffeine intake improves muscular strength, pow… (PMID 40478455)
PMID 40478455 (2025): caffeine — Time-trial performance, Time to exhaustion (study note for endurance athletes).
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Effects of Caffeine Supplementation on Neuromuscular… (PMID 40845293)
PMID 40845293 (2025): caffeine — Time-trial performance (study note for endurance athletes).
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In-Exercise Caffeine Improves Exercise Performance in… (PMID 40550151)
PMID 40550151 (2025): caffeine — Time-trial performance, Time to exhaustion (study note for endurance athletes).
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Influence of the CYP1A2 c.(-163) A > C polymorphism i… (PMID 39007997)
PMID 39007997 (2024): caffeine — Time-trial performance, Time to exhaustion (study note for endurance athletes).
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Acute effects of commercial energy drink consumption… (PMID 38197606)
PMID 38197606 (2024): acute, commercial — Time-trial performance, Time to exhaustion (study note for endurance athletes).
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Caffeine intake enhances peak oxygen uptake and perfo… (PMID 37608124)
PMID 37608124 (2024): caffeine — Time-trial performance, Time to exhaustion (study note for endurance athletes).
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Caffeine, but not paracetamol (acetaminophen), enhanc… (PMID 39246027)
PMID 39246027 (2024): caffeine — Time-trial performance, Time to exhaustion (study note for endurance athletes).
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Nutritional Ergogenic Aids in Cycling: A Systematic R… (PMID 38892701)
PMID 38892701 (2024): caffeine, nitrate — Time-trial performance, Time to exhaustion (study note for endurance athletes).
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No additive effect of creatine, caffeine, and sodium… (PMID 38646853)
PMID 38646853 (2024): caffeine, bicarbonate — Time-trial performance, Time to exhaustion (study note for endurance athletes).
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Effects of Caffeine-Taurine Co-Ingestion on Endurance… (PMID 38406865)
PMID 38406865 (2024): caffeine — Time-trial performance, Time to exhaustion (study note for endurance athletes).
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Sex Differences in the Ergogenic Response of Acute Ca… (PMID 38892692)
PMID 38892692 (2024): caffeine — Time-trial performance, Time to exhaustion (study note for endurance athletes).
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Acute Co-Ingestion of Caffeine and Sodium Bicarbonate… (PMID 39771003)
PMID 39771003 (2024): caffeine, bicarbonate — Time-trial performance, Time to exhaustion (study note for endurance athletes).
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Guarana (Paullinia cupana) but Not Low-Dose Caffeine… (PMID 37898479)
PMID 37898479 (2024): caffeine — Time-trial performance, Time to exhaustion (study note for endurance athletes).
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Caffeine Placebo Effect in Sport and Exercise: A Syst… (PMID 39339818)
PMID 39339818 (2024): caffeine — Time-trial performance, Time to exhaustion (study note for endurance athletes).
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Effect of caffeine ingestion on time trial performanc… (PMID 38836626)
PMID 38836626 (2024): caffeine — Time-trial performance, Time to exhaustion (study note for endurance athletes).
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The Effect of Pre-Exercise Caffeine and Glucose Inges… (PMID 39519456)
PMID 39519456 (2024): caffeine — Time-trial performance, Time to exhaustion (study note for endurance athletes).
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