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86 studies in supplements.
Effects of Acute Caffeine Intake on Endurance Perform… (PMID 41147687)
Research note: Effects of Acute Caffeine Intake on Endurance Performance and Cardiac Autonomic Modulation in Patients with COPD.
Open study note
CYP1A2 Genotype and the Ergogenic Effect of Acute Caf… (PMID 41627185)
Research note: CYP1A2 Genotype and the Ergogenic Effect of Acute Caffeine Intake on Muscular Strength and Endurance Performance in Trained Individuals.
Open study note
Caffeine intake reverses the impairment of sleep rest… (PMID 40640600)
Research note: Caffeine intake reverses the impairment of sleep restriction on high-intensity exercise performance.
Open study note
Ergogenic effects of supplement combinations on endur… (PMID 40619880)
Research note: Ergogenic effects of supplement combinations on endurance performance: a systematic review and meta-analysis of randomized controlled trials.
Open study note
Effects of taurine combined with caffeine on repetiti… (PMID 39948152)
Research note: Effects of taurine combined with caffeine on repetitive sprint exercise performance and cognition in a hypoxic environment.
Open study note
Acute caffeine supplementation offsets the impairment… (PMID 39438312)
Research note: Acute caffeine supplementation offsets the impairment in 10-km running performance following one night of partial sleep deprivation: a randomized cont…
Open study note
The Acute Effects of Caffeine and Normobaric Hypoxia… (PMID 40675560)
Research note: The Acute Effects of Caffeine and Normobaric Hypoxia on Cardiorespiratory Exercise Responses in Healthy Adults: A Randomized Controlled Trial.
Open study note
In-Exercise Caffeine Improves Exercise Performance in… (PMID 40550151)
Research note: In-Exercise Caffeine Improves Exercise Performance in the Heat without Exacerbating Hyperventilation and Brain Hypoperfusion.
Open study note
Effects of caffeine and its metabolites, theobromine… (PMID 40850526)
Research note: Effects of caffeine and its metabolites, theobromine and theophylline, on performance and physiological parameters in cyclists: A randomized, double-b…
Open study note
Single and combined effect of beetroot juice and caff… (PMID 40369047)
Research note: Single and combined effect of beetroot juice and caffeine intake on muscular strength, power and endurance performance in resistance-trained males.
Open study note
Effects of Caffeine Supplementation on Neuromuscular… (PMID 40845293)
Research note: Effects of Caffeine Supplementation on Neuromuscular Performance in Powerlifting Athletes: A Randomized, Placebo-Controlled, Quadruple-Blinded, Cross-…
Open study note
Acute caffeine intake improves muscular strength, pow… (PMID 40478455)
Research note: Acute caffeine intake improves muscular strength, power, and endurance performance, reversing the time-of-day effect regardless of muscle activation l…
Open study note
Acute effects of combined and isolated caffeine and t… (PMID 41668720)
Research note: Acute effects of combined and isolated caffeine and theanine supplementation on physical and cognitive performance in competitive athletes: a randomiz…
Open study note
Intrasession Caffeine Intake and Cycling Performance… (PMID 39326860)
Research note: Intrasession Caffeine Intake and Cycling Performance After Accumulated Work: A Field-Based Study.
Open study note
Performance-enhancing effects of caffeine and L-Thean… (PMID 40977612)
Research note: Performance-enhancing effects of caffeine and L-Theanine among Iranian elite wrestlers: a focus on cognitive and specific physical performance.
Open study note
Acute Effects of Caffeine and Taurine Co-Ingestion on… (PMID 40956767)
Research note: Acute Effects of Caffeine and Taurine Co-Ingestion on Time to Exhaustion and Thermoregulatory Responses to Cycling in the Heat.
Open study note
Caffeine enhances performance regardless of fueling s… (PMID 40964913)
Research note: Caffeine enhances performance regardless of fueling strategy; however, high carbohydrate availability is associated with improved training speeds comp…
Open study note
The Effect of Pre-Exercise Caffeine and Glucose Inges… (PMID 39519456)
Research note: The Effect of Pre-Exercise Caffeine and Glucose Ingestion on Endurance Capacity in Hypoxia: A Double-Blind Crossover Trial.
Open study note
Effects of Caffeinated Coffee on Cross-Country Cyclin… (PMID 38474796)
Research note: Effects of Caffeinated Coffee on Cross-Country Cycling Performance in Recreational Cyclists.
Open study note
Influence of the CYP1A2 c.(-163) A > C polymorphism i… (PMID 39007997)
Research note: Influence of the CYP1A2 c.(-163) A > C polymorphism in the effect of caffeine on fat oxidation during exercise: a pilot randomized, double-blind, cros…
Open study note
Effects of Caffeine-Taurine Co-Ingestion on Endurance… (PMID 38406865)
Research note: Effects of Caffeine-Taurine Co-Ingestion on Endurance Cycling Performance in High Temperature and Humidity Environments.
Open study note
Caffeine, but not paracetamol (acetaminophen), enhanc… (PMID 39246027)
Research note: Caffeine, but not paracetamol (acetaminophen), enhances muscular endurance, strength, and power.
Open study note
Nutritional Ergogenic Aids in Cycling: A Systematic R… (PMID 38892701)
Research note: Nutritional Ergogenic Aids in Cycling: A Systematic Review.
Open study note
No additive effect of creatine, caffeine, and sodium… (PMID 38646853)
Research note: No additive effect of creatine, caffeine, and sodium bicarbonate on intense exercise performance in endurance-trained individuals.
Open study note
Sex Differences in the Ergogenic Response of Acute Ca… (PMID 38892692)
Research note: Sex Differences in the Ergogenic Response of Acute Caffeine Intake on Muscular Strength, Power and Endurance Performance in Resistance-Trained Individ…
Open study note
Caffeine intake enhances peak oxygen uptake and perfo… (PMID 37608124)
Research note: Caffeine intake enhances peak oxygen uptake and performance during high-intensity cycling exercise in moderate hypoxia.
Open study note
Acute Co-Ingestion of Caffeine and Sodium Bicarbonate… (PMID 39771003)
Research note: Acute Co-Ingestion of Caffeine and Sodium Bicarbonate on Muscular Endurance Performance.
Open study note
Guarana (Paullinia cupana) but Not Low-Dose Caffeine… (PMID 37898479)
Research note: Guarana (Paullinia cupana) but Not Low-Dose Caffeine Improves Cycling Time-Trial Performance Versus Placebo.
Open study note
Caffeine Placebo Effect in Sport and Exercise: A Syst… (PMID 39339818)
Research note: Caffeine Placebo Effect in Sport and Exercise: A Systematic Review.
Open study note
Effect of caffeine ingestion on time trial performanc… (PMID 38836626)
Research note: Effect of caffeine ingestion on time trial performance in cyclists: a systematic review and meta-analysis.
Open study note
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