it astounds me how i can chug 400 mg of caffeine and feel N O T H I N G
like why the fuck is this not the primary way to diagnose adhd? have people take 3 caffeine pills and if they completely forget about having done so within 5 minutes then congratulations here's your adderall prescription!
I haven't heard of any negative health effects. It's naturally found in tea, for whatever that's worth.
I can't put my finger on any studies that support the jitters/anxiety claim atm. Here's one that suggests that the combination improves performance more than caffeine alone: https://pubmed.ncbi.nlm.nih.gov/18681988/
I suggest getting long Covid, now I need an espresso in the evening just to function while I get the kids to bed and read to them and I barely even feel it.
Weirdly I can, I used to be so sensitive to coffee that anything past early afternoon was guaranteed trouble. Now I can do it at 6 or 7 and still collapse at a normal time.