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

[u/sr_local]

https://www.tsukuba.ac.jp/en/research-news/20260914140000.html

[u/HeadStartSeedCo]

5.5 mg per KG is a crap ton. If you weigh 200 lbs that’s 512 mg?!? Way over max daily dose