Gerry Mullin is a gastroenterologist, nutritionist, and gut microbiome authority known as The Food MD. He appeared as Himself in the episode Adam Ruins Spa Day. This article is a stub. You can help Adam Ruins Everything Wiki by expanding it. Retrieved from "https://adam-ruins-everything.fandom.com/wiki/Gerry_Mullin?oldid=2927" Categories: Article stubs Guests Experts Community content is available under CC-BY-SA unless otherwise noted.