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The original was posted on /r/tifu by /u/wildlandal on 2026-02-09 15:18:14+00:00.
TL;DR at bottom
So this TIFU is a legit today one and throwaway account is being used. I've been wanting to lose some weight and I know I have to change my eating habits.
In the mornings I typically grab some gas station "food," and yes quotes are necessary because its just junk and not really healthy, before work.
So I decided to try a protein shake in the mornings. However I failed to read the label where it says Whey protein on it. I am lactose intolerant, I think you can guess where this is going...or where I went.
I mixed up a nice 20oz shake and headed off to work. Well I got violently ill from both ends. I couldnt figure out why until my coworker mentioned that protein powders are milk based. Sure enough I completely ignored the whole Whey thing on the label. And yes I do know what Whey is, I'm just an idiot.
So as I sit here in the bathroom for the 4th time, I get to type out my TIFU.
TL;DR- I am lactose intolerant. I drank a large glass of Whey based protein shake and now am regretting life.