[KitDuncan]

Aren't B12 deficiencies widespread everywhere though? I think I read somewhere that ~40% of the US population is B12 deficient, regardless of diet.

[cheese_goddess]

> Aren't B12 deficiencies widespread everywhere though?

I genuinely don't know but it doesn't matter. It stands to reason that if even meat-eaters are B12 deficient, vegans will be even more so.