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He S, Sun S, Lu J, Chen L, Mei X, Li L, et al

However, if you are vegetarian or vegan you'll need to consult with your healthcare provider so they can assess whether a supplement is needed since plant sources have limited B12." Here is a complete list of foods rich in B12: Beef liver Cooked clams Fortified nutritional yeast Cooked Atlantic salmon Canned light tuna in water Ground beef Milk Yogurt Fortified breakfast cereals Cheddar cheese Whole eggs Turkey breast What are the benefits of taking vitamin B12 supplements