Many people believe that vitamin B12 is only found in animal products, but that's a misconception. B12 is actually produced by bacteria in the soil, and animals get their B12 by consuming People love to bring up B12 like it's a reason to eat meat. But here's the irony Even meat eaters can be deficient in B12. That's because B12 comes from bacteria in The B12 in meat is from supplements given to the cows.so why not just take the supplement directly : r vegan Sure, meat has B12. But guess where that comes from? Supplements. : r vegan I often get asked if B12 is just a concern for vegans. The answer? Not at all. Even if you eat meat or dairy, there's no guarantee you're absorbing enough, especially as Vitamin B12 is a part of the B vitamin family. What are the best foods with vitamin B12 that you can add to your family's diet?