Question: which food is a good source of vitamin b12 for vegetarians?
Answer: Dairy products. Eating dairy products is one of the simplest ways to get enough vitamin B12 in a vegetarian diet. ... 
Eggs. Another source of B12 for vegetarians is eggs. ... 
Fortified foods. ... 
Nutritional yeast. ... 
Nori. ... 
Shitake mushroom.