[zinssmeister]

I agree the spider-caffeine-thing is "weak". But it's a popular argument and I don't have anything more substantial at hand. Most people I know, that still drink coffee/caffeine do tell tales of feeling "wired" and "scattered" after consumption.

[digi_owl]

That will depend on person and dosage thought.

From persona experience i either have to go a few days without or drink my third cup (drip brewed) of the day to get anything noticeable.

[adfm]

Really!? Nice web. https://www.google.com/url?sa=t&source=web&rct=j&url=http://...

[pkinsky]

L-Theanine (amino acid found in green tea) supplements solve that problem.

[jbpetersen]

Got any good sources to read more about that?

[seanp2k2]

Not a great source but it's in these and works for me: https://nootrobox.com/go-cubes

No jitters but if I take all 4 at once I get a pretty unpleasant "coming up" feeling for about 15 minutes. I usually just have 2 a day, and I'd recommend people start with 1 just in the morning.