"To learn who rules over you, simply find out who you are not allowed to criticize." -- Voltaire
Also have a look at [1] [1] http://www.nature.com/nature/journal/v283/n5749/abs/283781a0...
You are correct: Animals and plants don't synthesize B12, bacteria do. However, these bacteria are also found in the small intestine of humans. So you might want to add them to your list of contributors. Check out this…
"To learn who rules over you, simply find out who you are not allowed to criticize." -- Voltaire
Also have a look at [1] [1] http://www.nature.com/nature/journal/v283/n5749/abs/283781a0...
You are correct: Animals and plants don't synthesize B12, bacteria do. However, these bacteria are also found in the small intestine of humans. So you might want to add them to your list of contributors. Check out this…