Assuming you mean eat less of the cereal and not less vegetables, that is what I’m suggesting would be preferable to me, yes.

The listed serving size is 2/3 of a cup for 65% of your daily fiber, but I think in reality most people are pouring much larger cereal bowls. I can understand why many people who try to eat healthy for the first time end up feeling sick if it’s this easy to hit 40 grams of fiber just in the first meal of the day.

I’m not saying no one should ever eat it, just that it seems impractical to me as a meal and more useful as a supplement.

All-natural human failure, fresh from 2018 for for your enjoyment:

https://www.boredpanda.com/worst-photoshop-fails/

Getting 75% of my daily fiber at breakfast and then another 75% of my daily fiber just from eating normally the rest of the day sounds like a lot. I can only see this being a good thing in like a food desert or medical situation where vegetables aren’t an option.