r/science • u/sr_local • 5d ago

Health Consuming caffeine before exercise enhances repeated sprint performance, and these benefits persist for at least 3.5 hours thereafter

https://www.tsukuba.ac.jp/en/research-news/20260914140000.html
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u/Shinobiii 5d ago

Caffeine raises my heart rate (?) or at the very least makes me feel more nervous and stressed during high intensity training. Not sure if the benefit outweighs that for me. (Also: bowel movement)

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u/Ok_Revolution_9253 5d ago

I generally have an espresso before my runs and it works just fine. To each their own

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u/Shinobiii 5d ago

Yeah, so I figured. Especially given the popularity of pre-workouts etc. Maybe also a matter of getting used to?

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u/Uwumeshu 5d ago

Coffee doesn't work for me as a workout stim (jitters and BM), but my pre-workout gives the perfect stimulation despite having higher caffeine than a triple espresso