Yes, other species are able to make vitamin B12. Rather, it is made by specific bacteria in their guts. We don’t have the guts, as it were, to do this, so even if we consumed the bacteria required, no B12 would be manufactured. Ruminants are especially efficient at B12 production.

MSc. Registered nutritionist, specialising in diet and mental health. Visit AllYouCanEat.Org.UK for free brain food guide, or to book a consultation

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