This is like the opposite of what they asked though. They didn't ask for healthy, they asked for less farting. Lots of vegetables will make lots of farting.

This. When I used to work a very physical job (2.5k+ Cal per day min) I never had flatulence. My diet was also better, but I ate a ton. Like so much food, but I guess that's what happens when you burn more calories in a day then most people do existing. I do not miss that job, I do miss my old body. It would be impossible to get that amount of exercise naturally.