Humans are omnivores. If you can't tolerate vegetables, beans, rice, soy, etc you have some interesting issues.
Then again I have issues digesting meat and operate best on these items that supposedly kill some folks.
Anyhow, you really have to play around and find what works for you.
For me: no processed foods, no meat, no refined sugars, and 30-40 C \ 20-30 P \ 40-40 F works best. Even dropped weight without trying.