I use these for my late afternoon slump. I don’t feel wired or crash, just enough of a pick me up and the taste isnt as awful as some other sugar free ones out there (I hate the taste of artificial sweetener so I avoid most of them).

Pureboost Clean Energy Drink Mix... https://www.amazon.com/dp/B07GCVM1Y5?ref=ppx_pop_mob_ap_share