Effects of Caffeine Supplementation on Cognitive Function and Neuromuscular Performance Across Menstrual Cycle Phases in Eumenorrheic Female Athletes: A Randomized, Double-Blind Placebo-Controlled Pilot Trial.

Nutrients · 2026 · PMC13209525 · PMID 42196972

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borderline significantno p-value reported

Counter-Movement Jump Statistical analysis revealed significant main effects of MCP (F [2,22] = 4.19, p = 0.03, η p 2 = 0.28, large effect) and condition (F [1,11] = 3.85, p = 0.08, borderline significant, η p 2 = 0.26, large effect), while the condition × MCP interaction was not significant (F [2,22] = 2.22, p = 0.13, η p 2 = 0.17, large effect).

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