Acute caffeine ingestion and exercise performance in women: a systematic review and meta-analysis of menstrual-cycle phase and hormonal contraceptive status.

Front Nutr · 2026 · PMC13395651 · PMID 42500255

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borderline non-significantno p-value reported

Leave-one-out analyses did not materially alter the overall interpretation; however, the LFP/PO estimate became borderline non-significant after removal of Romero-Moraleda et al.

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