I guessed it would just be saline for hydration, but it looks like they do vitamins, minerals, and amino acids via IV in some places[1]. 1. https://expatguidek

I guessed it would just be saline for hydration, but it looks like they do vitamins, minerals, and amino acids via IV in some places[1]. 1. https://expatguidekorea.com/seoul/hydration-iv-therapy-seoul https://expatguidekorea.com/seoul/hydration-iv-therapy-seoul