The speaker identified personal food sensitivities through trial and error rather than solely relying on blood tests.

“it's like so hard to try stuff you know you just gotta try it and try cutting out stuff and like it really took you know reading your book following some of these messages talking to Joe the you know three four years ago last time I I saw Joe I think it was like three years ago he was on the carnivore I was like what's that you're a lunatic and they told me about it and I was like yeah all right I'll try it and uh it's like I felt great and I was like this is crazy like nobody nobody's talking about this until you know stumbling onto people like yourself”