Earlier quoted context omitted.
>B12 only occurs naturally in soil LOL. Patently false. B12 is produced by bacteria in herbivores' guts.
Sorry, cobalt only occurs in soil js what I meant. Do you have a comment on the point itself?
But actually there's a solution for vegans. As the following paper in Nature eloquently puts it:
"Human faeces contain appreciable quantities of vitamin B12 or vitamin B12-like material presumably produced by bacteria in the colon, but this is unavailable to the non-coprophagic individual."