An empty stomach is not a bigger stomach

Competitive eating is not simply a matter of arriving hungry. The stomach is a muscular, flexible pouch: as food enters, its upper part relaxes and expands to make room. Eating a large volume beforehand may serve as a kind of capacity practice, while fasting does not itself train that response. It can also leave an eater less accustomed to handling a large load all at once.

Why cabbage can be part of the preparation

Raw cabbage is bulky, so a large serving can fill the stomach without delivering the same energy as an equally large amount of many richer foods. Its fiber also makes it slower to digest than a low-fiber meal. That makes it a plausible choice for someone trying to practice with volume rather than calories. The reported routine is not a universal rule, though: competitors’ preparation varies, and the exact effect depends on how much they eat and when.

The point is not that cabbage permanently enlarges the stomach. A meal stretches it temporarily; repeated high-volume eating may help some competitors tolerate fullness, but it does not make the body immune to strain. In a contest, the stomach’s ability to accommodate food is only one limit among several, including swallowing, digestion, and the body’s response to extreme intake.

The tradeoff behind the tactic

Eating heavily before a contest can make the stomach feel full before the event even begins, so timing matters. The preparation aims to arrive with some practice handling volume without turning the warm-up into the contest itself. That is why the counterintuitive strategy is not simply “eat as much as possible”: the goal is to manage capacity, not erase the body’s limits.