At first.

The makeup of your gut biome depends on what you feed it.

The ones best at digesting shitty food produce a lot of methane from high fiber foods, but the only reason you’d have a lot of them is if you’re mostly eating shitty food.

Eat good food long enough. And a fast food combo meal will give you explosive diarrhea, but beans all day and you’ll never fart.

There’s tradeoffs is what I’m saying.