At my alma mater, Oregon State University, research was conducted that proved that the Korean version of sauerkraut, kim chee, was a nutritionally important source of vitamin B-12 for exclusive vegetarians (vegans). It is one of only a handful of foods that supply exogenous B-12 (necessary for life) to vegans. Arly [log in to unmask] (Arly Helm, MS, CLE, IBCLC)