Effects of acute ingestion of caffeinated chewing gum on performance in elite judo athletes.

J Int Soc Sports Nutr · 2021 · PMC8214258 · PMID 34147116

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did not reach statistical significanceno p-value reported

Overall, these investigations showed that the ingestion of a single caffeine capsule or caffeine dissolved in water increased the number of throws in the SJFT [ 20 , 24 ], or there was an effect of small magnitude that did not reach statistical significance [ 21 ].

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