I casually looked into that claim in the past and read that coffee is as strong a diuretic as pure water.
Perhaps they mean as a laxative rather than as a diuretic.
Yes, I believe so from the comments.
there's.... i believe there is enough anecdotal evidence to state with a reasonable confidence level that coffee makes you poop.
Hmmm, I smell an IG Nobel prize opportunity for an ambitious grad student who is not afraid to get his hands dirty.
Yeah really no need to study this. There's "anecdotal" and then there's "this happens to 80% of people and we have cute euphemisms for when you excuse yourself" and that to me is as good as the most rigorous of studies. Now uhh, excuse me, back in a sec.
Chiming in for n+1. Can confirm: I enjoy my post-caffeine quiet time. :)
What? I drink rather a lot of coffee and have never had that effect. I've never heard it from anyone else either. Is there any non-anecdotal evidence for this?
Do you primarily drink iced, cold brewed, or something like keurig?
Nope, just normal coffee. Sometimes made in a cafetiere, sometimes from the (rather good) machine at work, but I mostly make Greek or Turkish style these days. It's never given me a dose of the shits however its made though!
The caffeine relaxes the intestinal tract..
Caffeine is a stimulant. One of the things it stimulates are your colonic muscles which can induce peristalsis.