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Clinical trial

Acute Effects of Combined and Isolated Caffeine and Theanine Supplementation on Physical and Cognitive Performance in Competitive Athletes: A Randomized, Double-Blind, Placebo-Controlled Crossover Study

NCT07268573 is registered in ClinicalTrials.gov with Ulaş Can YILDIRIM as lead sponsor.

NCT NCT07268573
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Registry record

As filed in ClinicalTrials.gov.

Title
Acute Effects of Combined and Isolated Caffeine and Theanine Supplementation on Physical and Cognitive Performance in Competitive Athletes: A Randomized, Double-Blind, Placebo-Controlled Crossover Study
Lead sponsor
Ulaş Can YILDIRIM
Phase
Not applicable
Overall status
Completed
Start date
August 1, 2025
Completion date
August 14, 2025
Enrollment
20 (actual)
Sites
1

Conditions

As the registry lists them; a condition with its own page is linked.

caffeine and l-theanine interaction, cognitive performance, physical performance enhancement