Earlier quoted context omitted.
Peanut butter doesn't fill me up at all. I can consume 1k calories of it, nothing, still hungry after. Same with fish, I cannot get full eating fish in any quantity. Shrimp, sure, but not fish. Nuts, same deal. I'll eat 500+ calories of nuts, does nothing for me.
See a doctor.
> See a doctor.
Doctors know next to nothing about gut biome stuff.
"I don't get full eating an entire jar of peanut butter" is going to result in the doctor telling me to not eat a jar of peanut butter.
Heck plenty of people don't get full eating entire tubs of ice cream. The answer is to avoid downing tubs of ice cream.