In Korean cuisine, it is used in making the most common type of kimchi. It is the main ingredient of ''baechu kimchi'', but is also eaten raw as a wrap for pork or oysters, dipped in gochujang. The outer, tougher leaves are called ''ugeoji'', and used in soups.
Napa cabbage is widely used in China, Japan, and Korea. Because of immigrants from these nations, it is also readily found in most North American cities. Napa cabbage is made up primarily of water .
The yellow part of the leaves have higher concentrations of vitamin A than the white or green parts.