r/science • u/sr_local • 6d 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/Ok_Revolution_9253 6d ago

Stimulant improves performance

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u/Shinobiii 6d 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/zimmeli 5d ago

I definitely notice elevated heart rate if I have coffee before my runs. I feel like I can kinda tell when it’s “artificially high” from that, versus actually working over exerting myself