b12 deficiency foods to eat vegetarianfood containing vitamin b12good food sources of vitamin b12vitamin b12 rich foodsb12 deficiency what to eatfoods high in vitamin b12 veganfoods high in b12vitamin b12 rich foods vegetarianfood items rich in vitamin b12foods high in vitamin b6 and b12best diet for b12 deficiencybest diet for vitamin b12 deficiency