Isolated but not combined ergogenic effects of caffeine and L-arginine during an isokinetic knee extension.

Front Nutr · 2023 · PMC10800533 · PMID 38260064

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a positive trendno p-value reported

These indices expressed a positive trend in fatigue rate between the placebo and L-arginine trials ( 13 , 22 ).

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partially significantno p-value reported

The improvement of Nm M by L-arginine was shown in other studies by a higher, but only partially significant, endurance ratio or fatigue resistance index when set work or total work were used to determine the indices.

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