(And the tiny amount of B12 we need is not too hard to come by; it’s found in all animal foods and is produced by bacteria, so you obtain B12 from eating dirty or decaying or fermented produce.)
1: tell that to my pernicious anemia
2: the second part about fermented foods has been found false in practice as the b12 isnt bio-available. have a slice of quality cheese every now and then
