That is kind of surprising. I had to go on a low protein mostly vegetarian diet due to failing kidneys and have tested my vitamin B12 levels multiple times and

That is kind of surprising. I had to go on a low protein mostly vegetarian diet due to failing kidneys and have tested my vitamin B12 levels multiple times and they were perfectly within range. I still did go on low dose supplements as a precaution. But there are a few food products like cereal that are fortified with various vitamins anyway.