Effect of food sources of nitrate, polyphenols, L-arginine and L-citrulline on endurance exercise performance: a systematic review and meta-analysis of randomised controlled trials.

J Int Soc Sports Nutr · 2021 · PMC8715640 · PMID 34965876

Europe PMC DOI

hedged sentence

0.0520

closest p · 1.0× alpha

0.0520

boldest claim

The sentences

did not reach statistical significancep=0.052so close (0.05 < p ≤ 0.1)

Small effects were found for the consumption of cocoa/chocolate, but this did not reach statistical significance (p=0.052).

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